[Intel-gfx] [PATCH 3/7] drm/i915/sdvo: Propagate errors from reading/writing control bus.
Chris Wilson
chris at chris-wilson.co.uk
Wed Aug 4 14:50:25 CEST 2010
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_sdvo.c | 930 +++++++++++++-------------------
drivers/gpu/drm/i915/intel_sdvo_regs.h | 2 +-
2 files changed, 380 insertions(+), 552 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5d1277e..5cc83e5 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -47,6 +47,7 @@
#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
+#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
static char *tv_format_names[] = {
@@ -189,10 +190,13 @@ static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector
static bool
intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
-static void
-intel_sdvo_tv_create_property(struct drm_connector *connector, int type);
-static void
-intel_sdvo_create_enhance_property(struct drm_connector *connector);
+static bool
+intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
+ struct intel_sdvo_connector *intel_sdvo_connector,
+ int type);
+static bool
+intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
+ struct intel_sdvo_connector *intel_sdvo_connector);
/**
* Writes the SDVOB or SDVOC with the given value, but always writes both
@@ -231,13 +235,10 @@ static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
}
}
-static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr,
- u8 *ch)
+static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
{
- u8 out_buf[2];
+ u8 out_buf[2] = { addr, 0 };
u8 buf[2];
- int ret;
-
struct i2c_msg msgs[] = {
{
.addr = intel_sdvo->slave_addr >> 1,
@@ -252,9 +253,7 @@ static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr,
.buf = buf,
}
};
-
- out_buf[0] = addr;
- out_buf[1] = 0;
+ int ret;
if ((ret = i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 2)) == 2)
{
@@ -266,10 +265,9 @@ static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr,
return false;
}
-static bool intel_sdvo_write_byte(struct intel_sdvo *intel_sdvo, int addr,
- u8 ch)
+static bool intel_sdvo_write_byte(struct intel_sdvo *intel_sdvo, int addr, u8 ch)
{
- u8 out_buf[2];
+ u8 out_buf[2] = { addr, ch };
struct i2c_msg msgs[] = {
{
.addr = intel_sdvo->slave_addr >> 1,
@@ -279,14 +277,7 @@ static bool intel_sdvo_write_byte(struct intel_sdvo *intel_sdvo, int addr,
}
};
- out_buf[0] = addr;
- out_buf[1] = ch;
-
- if (i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 1) == 1)
- {
- return true;
- }
- return false;
+ return i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 1) == 1;
}
#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
@@ -390,7 +381,7 @@ static const struct _sdvo_cmd_name {
#define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
- void *args, int args_len)
+ const void *args, int args_len)
{
int i;
@@ -411,19 +402,20 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
DRM_LOG_KMS("\n");
}
-static void intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
- void *args, int args_len)
+static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
+ const void *args, int args_len)
{
int i;
intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
for (i = 0; i < args_len; i++) {
- intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_ARG_0 - i,
- ((u8*)args)[i]);
+ if (!intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_ARG_0 - i,
+ ((u8*)args)[i]))
+ return false;
}
- intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_OPCODE, cmd);
+ return intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_OPCODE, cmd);
}
static const char *cmd_status_names[] = {
@@ -454,8 +446,8 @@ static void intel_sdvo_debug_response(struct intel_sdvo *intel_sdvo,
DRM_LOG_KMS("\n");
}
-static u8 intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
- void *response, int response_len)
+static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
+ void *response, int response_len)
{
int i;
u8 status;
@@ -464,24 +456,26 @@ static u8 intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
while (retry--) {
/* Read the command response */
for (i = 0; i < response_len; i++) {
- intel_sdvo_read_byte(intel_sdvo,
- SDVO_I2C_RETURN_0 + i,
- &((u8 *)response)[i]);
+ if (!intel_sdvo_read_byte(intel_sdvo,
+ SDVO_I2C_RETURN_0 + i,
+ &((u8 *)response)[i]))
+ return false;
}
/* read the return status */
- intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS,
- &status);
+ if (!intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS,
+ &status))
+ return false;
intel_sdvo_debug_response(intel_sdvo, response, response_len,
status);
if (status != SDVO_CMD_STATUS_PENDING)
- return status;
+ break;
mdelay(50);
}
- return status;
+ return status == SDVO_CMD_STATUS_SUCCESS;
}
static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
@@ -553,23 +547,29 @@ static void intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
return;
}
-static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo, bool target_0, bool target_1)
+static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
{
- struct intel_sdvo_set_target_input_args targets = {0};
- u8 status;
-
- if (target_0 && target_1)
- return SDVO_CMD_STATUS_NOTSUPP;
+ if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
+ return false;
- if (target_1)
- targets.target_1 = 1;
+ return intel_sdvo_read_response(intel_sdvo, NULL, 0);
+}
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_TARGET_INPUT, &targets,
- sizeof(targets));
+static bool
+intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
+{
+ if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
+ return false;
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
+ return intel_sdvo_read_response(intel_sdvo, value, len);
+}
- return (status == SDVO_CMD_STATUS_SUCCESS);
+static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
+{
+ struct intel_sdvo_set_target_input_args targets = {0};
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_TARGET_INPUT,
+ &targets, sizeof(targets));
}
/**
@@ -581,11 +581,9 @@ static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo, bool targ
static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
{
struct intel_sdvo_get_trained_inputs_response response;
- u8 status;
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &response, sizeof(response));
- if (status != SDVO_CMD_STATUS_SUCCESS)
+ if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
+ &response, sizeof(response)))
return false;
*input_1 = response.input0_trained;
@@ -596,18 +594,15 @@ static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *i
static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
u16 outputs)
{
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs,
- sizeof(outputs));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- return (status == SDVO_CMD_STATUS_SUCCESS);
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_ACTIVE_OUTPUTS,
+ &outputs, sizeof(outputs));
}
static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
int mode)
{
- u8 status, state = SDVO_ENCODER_STATE_ON;
+ u8 state = SDVO_ENCODER_STATE_ON;
switch (mode) {
case DRM_MODE_DPMS_ON:
@@ -624,11 +619,8 @@ static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
break;
}
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
- sizeof(state));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
-
- return (status == SDVO_CMD_STATUS_SUCCESS);
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
}
static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
@@ -636,51 +628,31 @@ static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo
int *clock_max)
{
struct intel_sdvo_pixel_clock_range clocks;
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
- NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &clocks, sizeof(clocks));
-
- if (status != SDVO_CMD_STATUS_SUCCESS)
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
+ &clocks, sizeof(clocks)))
return false;
/* Convert the values from units of 10 kHz to kHz. */
*clock_min = clocks.min * 10;
*clock_max = clocks.max * 10;
-
return true;
}
static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
u16 outputs)
{
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_TARGET_OUTPUT, &outputs,
- sizeof(outputs));
-
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- return (status == SDVO_CMD_STATUS_SUCCESS);
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_TARGET_OUTPUT,
+ &outputs, sizeof(outputs));
}
static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
struct intel_sdvo_dtd *dtd)
{
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- intel_sdvo_write_cmd(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- return true;
+ return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
+ intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
}
static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
@@ -704,7 +676,6 @@ intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
uint16_t height)
{
struct intel_sdvo_preferred_input_timing_args args;
- uint8_t status;
memset(&args, 0, sizeof(args));
args.clock = clock;
@@ -717,54 +688,27 @@ intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
args.scaled = 1;
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
- &args, sizeof(args));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- return true;
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
+ &args, sizeof(args));
}
static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
struct intel_sdvo_dtd *dtd)
{
- bool status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
- NULL, 0);
-
- status = intel_sdvo_read_response(intel_sdvo, &dtd->part1,
- sizeof(dtd->part1));
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
- NULL, 0);
-
- status = intel_sdvo_read_response(intel_sdvo, &dtd->part2,
- sizeof(dtd->part2));
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- return false;
+ return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
+ &dtd->part1, sizeof(dtd->part1)) &&
+ intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
+ &dtd->part2, sizeof(dtd->part2));
}
static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
{
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- return true;
+ return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
}
static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
uint16_t width, height;
uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
@@ -813,7 +757,7 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
}
static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
- struct intel_sdvo_dtd *dtd)
+ const struct intel_sdvo_dtd *dtd)
{
mode->hdisplay = dtd->part1.h_active;
mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
@@ -848,38 +792,26 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
static bool intel_sdvo_get_supp_encode(struct intel_sdvo *intel_sdvo,
struct intel_sdvo_encode *encode)
{
- uint8_t status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_SUPP_ENCODE, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, encode, sizeof(*encode));
- if (status != SDVO_CMD_STATUS_SUCCESS) { /* non-support means DVI */
- memset(encode, 0, sizeof(*encode));
- return false;
- }
+ if (intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_SUPP_ENCODE,
+ encode, sizeof(*encode)))
+ return true;
- return true;
+ /* non-support means DVI */
+ memset(encode, 0, sizeof(*encode));
+ return false;
}
static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
uint8_t mode)
{
- uint8_t status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
-
- return (status == SDVO_CMD_STATUS_SUCCESS);
+ return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
}
static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
uint8_t mode)
{
- uint8_t status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
-
- return (status == SDVO_CMD_STATUS_SUCCESS);
+ return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
}
#if 0
@@ -892,8 +824,7 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
uint8_t buf[48];
uint8_t *pos;
- intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, NULL, 0);
- intel_sdvo_read_response(encoder, &av_split, 1);
+ intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
for (i = 0; i <= av_split; i++) {
set_buf_index[0] = i; set_buf_index[1] = 0;
@@ -913,7 +844,7 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
}
#endif
-static void intel_sdvo_set_hdmi_buf(struct intel_sdvo *intel_sdvo,
+static bool intel_sdvo_set_hdmi_buf(struct intel_sdvo *intel_sdvo,
int index,
uint8_t *data, int8_t size, uint8_t tx_rate)
{
@@ -922,15 +853,18 @@ static void intel_sdvo_set_hdmi_buf(struct intel_sdvo *intel_sdvo,
set_buf_index[0] = index;
set_buf_index[1] = 0;
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,
- set_buf_index, 2);
+ if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,
+ set_buf_index, 2))
+ return false;
for (; size > 0; size -= 8) {
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA, data, 8);
+ if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA, data, 8))
+ return false;
+
data += 8;
}
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
+ return intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
}
static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)
@@ -1005,7 +939,7 @@ struct dip_infoframe {
} __attribute__ ((packed)) u;
} __attribute__((packed));
-static void intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
+static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
struct drm_display_mode * mode)
{
struct dip_infoframe avi_if = {
@@ -1016,17 +950,15 @@ static void intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,
4 + avi_if.len);
- intel_sdvo_set_hdmi_buf(intel_sdvo, 1, (uint8_t *)&avi_if,
- 4 + avi_if.len,
- SDVO_HBUF_TX_VSYNC);
+ return intel_sdvo_set_hdmi_buf(intel_sdvo, 1, (uint8_t *)&avi_if,
+ 4 + avi_if.len,
+ SDVO_HBUF_TX_VSYNC);
}
-static void intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
+static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
{
-
struct intel_sdvo_tv_format format;
uint32_t format_map, i;
- uint8_t status;
for (i = 0; i < TV_FORMAT_NUM; i++)
if (tv_format_names[i] == intel_sdvo->tv_format_name)
@@ -1034,113 +966,93 @@ static void intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
format_map = 1 << i;
memset(&format, 0, sizeof(format));
- memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
- sizeof(format) : sizeof(format_map));
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_TV_FORMAT, &format,
- sizeof(format));
+ memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- DRM_DEBUG_KMS("%s: Failed to set TV format\n",
- SDVO_NAME(intel_sdvo));
+ BUILD_BUG_ON(sizeof(format) != 6);
+ return intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_TV_FORMAT,
+ &format, sizeof(format));
}
-static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static bool
+intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
+ struct drm_display_mode *mode)
{
- struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
+ struct intel_sdvo_dtd output_dtd;
- if (intel_sdvo->is_tv) {
- struct intel_sdvo_dtd output_dtd;
- bool success;
+ if (!intel_sdvo_set_target_output(intel_sdvo,
+ intel_sdvo->attached_output))
+ return false;
- /* We need to construct preferred input timings based on our
- * output timings. To do that, we have to set the output
- * timings, even though this isn't really the right place in
- * the sequence to do it. Oh well.
- */
+ intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
+ if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
+ return false;
+ return true;
+}
+
+static bool
+intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct intel_sdvo_dtd input_dtd;
- /* Set output timings */
- intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
- intel_sdvo_set_target_output(intel_sdvo,
- intel_sdvo->attached_output);
- intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
+ /* Reset the input timing to the screen. Assume always input 0. */
+ if (!intel_sdvo_set_target_input(intel_sdvo))
+ return false;
- /* Set the input timing to the screen. Assume always input 0. */
- intel_sdvo_set_target_input(intel_sdvo, true, false);
+ if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
+ mode->clock / 10,
+ mode->hdisplay,
+ mode->vdisplay))
+ return false;
+ if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
+ &input_dtd))
+ return false;
- success = intel_sdvo_create_preferred_input_timing(intel_sdvo,
- mode->clock / 10,
- mode->hdisplay,
- mode->vdisplay);
- if (success) {
- struct intel_sdvo_dtd input_dtd;
+ intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
+ intel_sdvo->sdvo_flags = input_dtd.part2.sdvo_flags;
- intel_sdvo_get_preferred_input_timing(intel_sdvo,
- &input_dtd);
- intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
- intel_sdvo->sdvo_flags = input_dtd.part2.sdvo_flags;
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+ mode->clock = adjusted_mode->clock;
+ return true;
+}
- drm_mode_set_crtcinfo(adjusted_mode, 0);
+static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
- mode->clock = adjusted_mode->clock;
+ /* We need to construct preferred input timings based on our
+ * output timings. To do that, we have to set the output
+ * timings, even though this isn't really the right place in
+ * the sequence to do it. Oh well.
+ */
+ if (intel_sdvo->is_tv) {
+ if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
+ return false;
- adjusted_mode->clock *=
- intel_sdvo_get_pixel_multiplier(mode);
- } else {
+ if (!intel_sdvo_set_input_timings_for_mode(intel_sdvo, mode, adjusted_mode))
return false;
- }
} else if (intel_sdvo->is_lvds) {
- struct intel_sdvo_dtd output_dtd;
- bool success;
-
drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode, 0);
- /* Set output timings */
- intel_sdvo_get_dtd_from_mode(&output_dtd,
- intel_sdvo->sdvo_lvds_fixed_mode);
-
- intel_sdvo_set_target_output(intel_sdvo,
- intel_sdvo->attached_output);
- intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
-
- /* Set the input timing to the screen. Assume always input 0. */
- intel_sdvo_set_target_input(intel_sdvo, true, false);
-
-
- success = intel_sdvo_create_preferred_input_timing(
- intel_sdvo,
- mode->clock / 10,
- mode->hdisplay,
- mode->vdisplay);
-
- if (success) {
- struct intel_sdvo_dtd input_dtd;
-
- intel_sdvo_get_preferred_input_timing(intel_sdvo,
- &input_dtd);
- intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
- intel_sdvo->sdvo_flags = input_dtd.part2.sdvo_flags;
- drm_mode_set_crtcinfo(adjusted_mode, 0);
-
- mode->clock = adjusted_mode->clock;
-
- adjusted_mode->clock *=
- intel_sdvo_get_pixel_multiplier(mode);
- } else {
+ if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
+ intel_sdvo->sdvo_lvds_fixed_mode))
return false;
- }
- } else {
- /* Make the CRTC code factor in the SDVO pixel multiplier. The
- * SDVO device will be told of the multiplier during mode_set.
- */
- adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
+ if (!intel_sdvo_set_input_timings_for_mode(intel_sdvo, mode, adjusted_mode))
+ return false;
}
+
+ /* Make the CRTC code factor in the SDVO pixel multiplier. The
+ * SDVO device will be told of the multiplier during mode_set.
+ */
+ adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
+
return true;
}
@@ -1154,10 +1066,9 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
u32 sdvox = 0;
- int sdvo_pixel_multiply;
+ int sdvo_pixel_multiply, rate;
struct intel_sdvo_in_out_map in_out;
struct intel_sdvo_dtd input_dtd;
- u8 status;
if (!mode)
return;
@@ -1171,12 +1082,15 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
in_out.in0 = intel_sdvo->attached_output;
in_out.in1 = 0;
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_IN_OUT_MAP,
- &in_out, sizeof(in_out));
- status = intel_sdvo_read_response(intel_sdvo, NULL, 0);
+ if (!intel_sdvo_set_value(intel_sdvo,
+ SDVO_CMD_SET_IN_OUT_MAP,
+ &in_out, sizeof(in_out)))
+ return;
if (intel_sdvo->is_hdmi) {
- intel_sdvo_set_avi_infoframe(intel_sdvo, mode);
+ if (!intel_sdvo_set_avi_infoframe(intel_sdvo, mode))
+ return;
+
sdvox |= SDVO_AUDIO_ENABLE;
}
@@ -1193,16 +1107,22 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
*/
if (!intel_sdvo->is_tv && !intel_sdvo->is_lvds) {
/* Set the output timing to the screen */
- intel_sdvo_set_target_output(intel_sdvo,
- intel_sdvo->attached_output);
- intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
+ if (!intel_sdvo_set_target_output(intel_sdvo,
+ intel_sdvo->attached_output))
+ return;
+
+ if (!intel_sdvo_set_output_timing(intel_sdvo, &input_dtd))
+ return;
}
/* Set the input timing to the screen. Assume always input 0. */
- intel_sdvo_set_target_input(intel_sdvo, true, false);
+ if (!intel_sdvo_set_target_input(intel_sdvo))
+ return;
- if (intel_sdvo->is_tv)
- intel_sdvo_set_tv_format(intel_sdvo);
+ if (intel_sdvo->is_tv) {
+ if (!intel_sdvo_set_tv_format(intel_sdvo))
+ return;
+ }
/* We would like to use intel_sdvo_create_preferred_input_timing() to
* provide the device with a timing it can support, if it supports that
@@ -1219,23 +1139,18 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
intel_sdvo_set_input_timing(encoder, &input_dtd);
}
#else
- intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
+ if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
+ return;
#endif
- switch (intel_sdvo_get_pixel_multiplier(mode)) {
- case 1:
- intel_sdvo_set_clock_rate_mult(intel_sdvo,
- SDVO_CLOCK_RATE_MULT_1X);
- break;
- case 2:
- intel_sdvo_set_clock_rate_mult(intel_sdvo,
- SDVO_CLOCK_RATE_MULT_2X);
- break;
- case 4:
- intel_sdvo_set_clock_rate_mult(intel_sdvo,
- SDVO_CLOCK_RATE_MULT_4X);
- break;
+ sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
+ switch (sdvo_pixel_multiply) {
+ case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
+ case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
+ case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
}
+ if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
+ return;
/* Set the SDVO control regs. */
if (IS_I965G(dev)) {
@@ -1259,7 +1174,6 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
if (intel_crtc->pipe == 1)
sdvox |= SDVO_PIPE_B_SELECT;
- sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
if (IS_I965G(dev)) {
/* done in crtc_mode_set as the dpll_md reg must be written early */
} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
@@ -1302,10 +1216,7 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
for (i = 0; i < 2; i++)
intel_wait_for_vblank(dev);
- status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1,
- &input2);
-
-
+ status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
/* Warn if the device reported failure to sync.
* A lot of SDVO devices fail to notify of sync, but it's
* a given it the status is a success, we succeeded.
@@ -1353,14 +1264,7 @@ static int intel_sdvo_mode_valid(struct drm_connector *connector,
static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
{
- u8 status;
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, caps, sizeof(*caps));
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
-
- return true;
+ return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DEVICE_CAPS, caps, sizeof(*caps));
}
/* No use! */
@@ -1403,13 +1307,8 @@ int intel_sdvo_supports_hotplug(struct drm_connector *connector)
intel_sdvo = to_intel_sdvo(connector);
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &response, 2);
-
- if (response[0] !=0)
- return 1;
-
- return 0;
+ return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
+ &response, 2) && response[0];
}
void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
@@ -1492,8 +1391,8 @@ static int
intel_analog_is_connected(struct drm_device *dev)
{
struct drm_connector *analog_connector;
- analog_connector = intel_find_analog_connector(dev);
+ analog_connector = intel_find_analog_connector(dev);
if (!analog_connector)
return false;
@@ -1569,25 +1468,23 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
{
uint16_t response;
- u8 status;
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
enum drm_connector_status ret;
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
+ if (!intel_sdvo_write_cmd(intel_sdvo,
+ SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
+ return connector_status_unknown;
if (intel_sdvo->is_tv) {
/* add 30ms delay when the output type is SDVO-TV */
mdelay(30);
}
- status = intel_sdvo_read_response(intel_sdvo, &response, 2);
+ if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
+ return connector_status_unknown;
DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return connector_status_unknown;
-
if (response == 0)
return connector_status_disconnected;
@@ -1713,8 +1610,6 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
struct intel_sdvo_sdtv_resolution_request tv_res;
uint32_t reply = 0, format_map = 0;
int i;
- uint8_t status;
-
/* Read the list of supported input resolutions for the selected TV
* format.
@@ -1725,23 +1620,23 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
format_map = (1 << i);
memcpy(&tv_res, &format_map,
- sizeof(struct intel_sdvo_sdtv_resolution_request) >
- sizeof(format_map) ? sizeof(format_map) :
- sizeof(struct intel_sdvo_sdtv_resolution_request));
+ min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
- intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output);
+ if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
+ return;
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
- &tv_res, sizeof(tv_res));
- status = intel_sdvo_read_response(intel_sdvo, &reply, 3);
- if (status != SDVO_CMD_STATUS_SUCCESS)
+ BUILD_BUG_ON(sizeof(tv_res) != 3);
+ if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
+ &tv_res, sizeof(tv_res)))
+ return;
+ if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
return;
for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
if (reply & (1 << i)) {
struct drm_display_mode *nmode;
nmode = drm_mode_duplicate(connector->dev,
- &sdvo_tv_modes[i]);
+ &sdvo_tv_modes[i]);
if (nmode)
drm_mode_probed_add(connector, nmode);
}
@@ -1798,9 +1693,7 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
else
intel_sdvo_get_ddc_modes(connector);
- if (list_empty(&connector->probed_modes))
- return 0;
- return 1;
+ return !list_empty(&connector->probed_modes);
}
static
@@ -1831,7 +1724,7 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
if (intel_sdvo_connector->hue_property)
drm_property_destroy(dev, intel_sdvo_connector->hue_property);
}
- if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector)) {
+ if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
if (intel_sdvo_connector->brightness_property)
drm_property_destroy(dev,
intel_sdvo_connector->brightness_property);
@@ -1862,36 +1755,33 @@ intel_sdvo_set_property(struct drm_connector *connector,
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
struct drm_crtc *crtc = encoder->crtc;
- int ret = 0;
bool changed = false;
- uint8_t cmd, status;
uint16_t temp_value;
+ uint8_t cmd;
+ int ret;
ret = drm_connector_property_set_value(connector, property, val);
- if (ret < 0)
- goto out;
+ if (ret)
+ return ret;
if (property == intel_sdvo_connector->tv_format_property) {
- if (val >= TV_FORMAT_NUM) {
- ret = -EINVAL;
- goto out;
- }
+ if (val >= TV_FORMAT_NUM)
+ return -EINVAL;
+
if (intel_sdvo->tv_format_name ==
intel_sdvo_connector->tv_format_supported[val])
- goto out;
+ return 0;
intel_sdvo->tv_format_name = intel_sdvo_connector->tv_format_supported[val];
changed = true;
- }
-
- if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector)) {
+ } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
cmd = 0;
temp_value = val;
if (intel_sdvo_connector->left_property == property) {
drm_connector_property_set_value(connector,
intel_sdvo_connector->right_property, val);
if (intel_sdvo_connector->left_margin == temp_value)
- goto out;
+ return 0;
intel_sdvo_connector->left_margin = temp_value;
intel_sdvo_connector->right_margin = temp_value;
@@ -1902,7 +1792,7 @@ intel_sdvo_set_property(struct drm_connector *connector,
drm_connector_property_set_value(connector,
intel_sdvo_connector->left_property, val);
if (intel_sdvo_connector->right_margin == temp_value)
- goto out;
+ return 0;
intel_sdvo_connector->left_margin = temp_value;
intel_sdvo_connector->right_margin = temp_value;
@@ -1913,7 +1803,7 @@ intel_sdvo_set_property(struct drm_connector *connector,
drm_connector_property_set_value(connector,
intel_sdvo_connector->bottom_property, val);
if (intel_sdvo_connector->top_margin == temp_value)
- goto out;
+ return 0;
intel_sdvo_connector->top_margin = temp_value;
intel_sdvo_connector->bottom_margin = temp_value;
@@ -1924,7 +1814,8 @@ intel_sdvo_set_property(struct drm_connector *connector,
drm_connector_property_set_value(connector,
intel_sdvo_connector->top_property, val);
if (intel_sdvo_connector->bottom_margin == temp_value)
- goto out;
+ return 0;
+
intel_sdvo_connector->top_margin = temp_value;
intel_sdvo_connector->bottom_margin = temp_value;
temp_value = intel_sdvo_connector->max_vscan -
@@ -1932,57 +1823,52 @@ intel_sdvo_set_property(struct drm_connector *connector,
cmd = SDVO_CMD_SET_OVERSCAN_V;
} else if (intel_sdvo_connector->hpos_property == property) {
if (intel_sdvo_connector->cur_hpos == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_POSITION_H;
intel_sdvo_connector->cur_hpos = temp_value;
} else if (intel_sdvo_connector->vpos_property == property) {
if (intel_sdvo_connector->cur_vpos == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_POSITION_V;
intel_sdvo_connector->cur_vpos = temp_value;
} else if (intel_sdvo_connector->saturation_property == property) {
if (intel_sdvo_connector->cur_saturation == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_SATURATION;
intel_sdvo_connector->cur_saturation = temp_value;
} else if (intel_sdvo_connector->contrast_property == property) {
if (intel_sdvo_connector->cur_contrast == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_CONTRAST;
intel_sdvo_connector->cur_contrast = temp_value;
} else if (intel_sdvo_connector->hue_property == property) {
if (intel_sdvo_connector->cur_hue == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_HUE;
intel_sdvo_connector->cur_hue = temp_value;
} else if (intel_sdvo_connector->brightness_property == property) {
if (intel_sdvo_connector->cur_brightness == temp_value)
- goto out;
+ return 0;
cmd = SDVO_CMD_SET_BRIGHTNESS;
intel_sdvo_connector->cur_brightness = temp_value;
}
if (cmd) {
- intel_sdvo_write_cmd(intel_sdvo, cmd, &temp_value, 2);
- status = intel_sdvo_read_response(intel_sdvo,
- NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO command \n");
+ if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
return -EINVAL;
- }
+
changed = true;
}
}
if (changed && crtc)
drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
crtc->y, crtc->fb);
-out:
- return ret;
+ return 0;
}
static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
@@ -2050,18 +1936,10 @@ intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
static bool
intel_sdvo_get_digital_encoding_mode(struct intel_sdvo *intel_sdvo, int device)
{
- uint8_t status;
-
- if (device == 0)
- intel_sdvo_set_target_output(intel_sdvo, SDVO_OUTPUT_TMDS0);
- else
- intel_sdvo_set_target_output(intel_sdvo, SDVO_OUTPUT_TMDS1);
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ENCODE, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &intel_sdvo->is_hdmi, 1);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return false;
- return true;
+ return intel_sdvo_set_target_output(intel_sdvo,
+ device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1) &&
+ intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
+ &intel_sdvo->is_hdmi, 1);
}
static struct intel_sdvo *
@@ -2076,7 +1954,7 @@ intel_sdvo_chan_to_intel_sdvo(struct intel_i2c_chan *chan)
return intel_sdvo;
}
- return NULL;;
+ return NULL;
}
static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
@@ -2141,8 +2019,8 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
}
static void
-intel_sdvo_connector_create (struct drm_encoder *encoder,
- struct drm_connector *connector)
+intel_sdvo_connector_init(struct drm_encoder *encoder,
+ struct drm_connector *connector)
{
drm_connector_init(encoder->dev, connector, &intel_sdvo_connector_funcs,
connector->connector_type);
@@ -2195,7 +2073,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
(1 << INTEL_ANALOG_CLONE_BIT));
- intel_sdvo_connector_create(encoder, connector);
+ intel_sdvo_connector_init(encoder, connector);
return true;
}
@@ -2224,13 +2102,19 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
intel_sdvo->base.needs_tv_clock = true;
intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
- intel_sdvo_connector_create(encoder, connector);
+ intel_sdvo_connector_init(encoder, connector);
- intel_sdvo_tv_create_property(connector, type);
+ if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
+ goto err;
- intel_sdvo_create_enhance_property(connector);
+ if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
+ goto err;
return true;
+
+err:
+ kfree(intel_sdvo_connector);
+ return false;
}
static bool
@@ -2262,7 +2146,7 @@ intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
(1 << INTEL_ANALOG_CLONE_BIT));
- intel_sdvo_connector_create(encoder, connector);
+ intel_sdvo_connector_init(encoder, connector);
return true;
}
@@ -2296,9 +2180,15 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
(1 << INTEL_SDVO_LVDS_CLONE_BIT));
- intel_sdvo_connector_create(encoder, connector);
- intel_sdvo_create_enhance_property(connector);
- return true;
+ intel_sdvo_connector_init(encoder, connector);
+ if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
+ goto err;
+
+ return true;
+
+err:
+ kfree(intel_sdvo_connector);
+ return false;
}
static bool
@@ -2358,29 +2248,26 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
return true;
}
-static void intel_sdvo_tv_create_property(struct drm_connector *connector, int type)
+static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
+ struct intel_sdvo_connector *intel_sdvo_connector,
+ int type)
{
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
- struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+ struct drm_device *dev = intel_sdvo->base.enc.dev;
struct intel_sdvo_tv_format format;
uint32_t format_map, i;
- uint8_t status;
- intel_sdvo_set_target_output(intel_sdvo, type);
+ if (!intel_sdvo_set_target_output(intel_sdvo, type))
+ return false;
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &format, sizeof(format));
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return;
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
+ &format, sizeof(format)))
+ return false;
- memcpy(&format_map, &format, sizeof(format) > sizeof(format_map) ?
- sizeof(format_map) : sizeof(format));
+ memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
if (format_map == 0)
- return;
+ return false;
intel_sdvo_connector->format_supported_num = 0;
for (i = 0 ; i < TV_FORMAT_NUM; i++)
@@ -2392,9 +2279,8 @@ static void intel_sdvo_tv_create_property(struct drm_connector *connector, int t
intel_sdvo_connector->tv_format_property =
- drm_property_create(
- connector->dev, DRM_MODE_PROP_ENUM,
- "mode", intel_sdvo_connector->format_supported_num);
+ drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "mode", intel_sdvo_connector->format_supported_num);
for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
drm_property_add_enum(
@@ -2402,56 +2288,45 @@ static void intel_sdvo_tv_create_property(struct drm_connector *connector, int t
i, intel_sdvo_connector->tv_format_supported[i]);
intel_sdvo->tv_format_name = intel_sdvo_connector->tv_format_supported[0];
- drm_connector_attach_property(
- connector, intel_sdvo_connector->tv_format_property, 0);
+ drm_connector_attach_property(&intel_sdvo_connector->base.base,
+ intel_sdvo_connector->tv_format_property, 0);
+ return true;
}
-static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
+static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
+ struct intel_sdvo_connector *intel_sdvo_connector)
{
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
- struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+ struct drm_device *dev = intel_sdvo->base.enc.dev;
+ struct drm_connector *connector = &intel_sdvo_connector->base.base;
struct intel_sdvo_enhancements_reply sdvo_data;
- struct drm_device *dev = connector->dev;
- uint8_t status;
uint16_t response, data_value[2];
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
- NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &sdvo_data,
- sizeof(sdvo_data));
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS(" incorrect response is returned\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
+ &sdvo_data, sizeof(sdvo_data)))
+ return false;
+
response = *((uint16_t *)&sdvo_data);
if (!response) {
DRM_DEBUG_KMS("No enhancement is supported\n");
- return;
+ return true;
}
if (IS_TV(intel_sdvo_connector)) {
/* when horizontal overscan is supported, Add the left/right
* property
*/
if (sdvo_data.overscan_h) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_OVERSCAN_H, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO max "
- "h_overscan\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_OVERSCAN_H, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO h_overscan\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_OVERSCAN_H,
+ &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_OVERSCAN_H,
+ &response, 2))
+ return false;
+
intel_sdvo_connector->max_hscan = data_value[0];
intel_sdvo_connector->left_margin = data_value[0] - response;
intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
@@ -2476,23 +2351,16 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.overscan_v) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_OVERSCAN_V, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO max "
- "v_overscan\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_OVERSCAN_V, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO v_overscan\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_OVERSCAN_V,
+ &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_OVERSCAN_V,
+ &response, 2))
+ return false;
+
intel_sdvo_connector->max_vscan = data_value[0];
intel_sdvo_connector->top_margin = data_value[0] - response;
intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
@@ -2517,22 +2385,16 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.position_h) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_POSITION_H, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max h_pos\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_POSITION_H, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get h_postion\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_POSITION_H,
+ &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_POSITION_H,
+ &response, 2))
+ return false;
+
intel_sdvo_connector->max_hpos = data_value[0];
intel_sdvo_connector->cur_hpos = response;
intel_sdvo_connector->hpos_property =
@@ -2548,22 +2410,16 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.position_v) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_POSITION_V, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max v_pos\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_POSITION_V, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get v_postion\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_POSITION_V,
+ &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_POSITION_V,
+ &response, 2))
+ return false;
+
intel_sdvo_connector->max_vpos = data_value[0];
intel_sdvo_connector->cur_vpos = response;
intel_sdvo_connector->vpos_property =
@@ -2579,22 +2435,16 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.saturation) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_SATURATION, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max sat\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_SATURATION, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get sat\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_SATURATION,
+ &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_SATURATION,
+ &response, 2))
+ return false;
+
intel_sdvo_connector->max_saturation = data_value[0];
intel_sdvo_connector->cur_saturation = response;
intel_sdvo_connector->saturation_property =
@@ -2611,22 +2461,14 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.contrast) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_CONTRAST, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max contrast\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_CONTRAST, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get contrast\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_CONTRAST, &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_CONTRAST, &response, 2))
+ return false;
+
intel_sdvo_connector->max_contrast = data_value[0];
intel_sdvo_connector->cur_contrast = response;
intel_sdvo_connector->contrast_property =
@@ -2642,22 +2484,14 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
if (sdvo_data.hue) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_HUE, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max hue\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_HUE, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get hue\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_HUE, &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_HUE, &response, 2))
+ return false;
+
intel_sdvo_connector->max_hue = data_value[0];
intel_sdvo_connector->cur_hue = response;
intel_sdvo_connector->hue_property =
@@ -2673,24 +2507,16 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
}
- if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector)) {
+ if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
if (sdvo_data.brightness) {
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &data_value, 4);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO Max bright\n");
- return;
- }
- intel_sdvo_write_cmd(intel_sdvo,
- SDVO_CMD_GET_BRIGHTNESS, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo,
- &response, 2);
- if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG_KMS("Incorrect SDVO get brigh\n");
- return;
- }
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_MAX_BRIGHTNESS, &data_value, 4))
+ return false;
+
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_BRIGHTNESS, &response, 2))
+ return false;
+
intel_sdvo_connector->max_brightness = data_value[0];
intel_sdvo_connector->cur_brightness = response;
intel_sdvo_connector->brightness_property =
@@ -2707,7 +2533,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
data_value[0], data_value[1], response);
}
}
- return;
+ return true;
}
bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
@@ -2773,8 +2599,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
"SDVOC/VGA DDC BUS");
dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
}
-
- if (intel_encoder->ddc_bus == NULL)
+ if (intel_encoder->ddc_bus == NULL || intel_sdvo->analog_ddc_bus == NULL)
goto err_i2c;
/* Wrap with our custom algo which switches to DDC mode */
@@ -2785,24 +2610,26 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
drm_encoder_helper_add(&intel_encoder->enc, &intel_sdvo_helper_funcs);
/* In default case sdvo lvds is false */
- intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps);
+ if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
+ goto err_enc;
if (intel_sdvo_output_setup(intel_sdvo,
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
IS_SDVOB(sdvo_reg) ? 'B' : 'C');
- goto err_i2c;
+ goto err_enc;
}
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
/* Set the input timing to the screen. Assume always input 0. */
- intel_sdvo_set_target_input(intel_sdvo, true, false);
-
- intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
- &intel_sdvo->pixel_clock_min,
- &intel_sdvo->pixel_clock_max);
+ if (!intel_sdvo_set_target_input(intel_sdvo))
+ goto err_enc;
+ if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
+ &intel_sdvo->pixel_clock_min,
+ &intel_sdvo->pixel_clock_max))
+ goto err_enc;
DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
"clock range %dMHz - %dMHz, "
@@ -2820,9 +2647,10 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
intel_sdvo->caps.output_flags &
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
-
return true;
+err_enc:
+ drm_encoder_cleanup(&intel_encoder->enc);
err_i2c:
if (intel_sdvo->analog_ddc_bus != NULL)
intel_i2c_destroy(intel_sdvo->analog_ddc_bus);
diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h
index ba5cdf8..4988660 100644
--- a/drivers/gpu/drm/i915/intel_sdvo_regs.h
+++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h
@@ -312,7 +312,7 @@ struct intel_sdvo_set_target_input_args {
# define SDVO_CLOCK_RATE_MULT_4X (1 << 3)
#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27
-/** 5 bytes of bit flags for TV formats shared by all TV format functions */
+/** 6 bytes of bit flags for TV formats shared by all TV format functions */
struct intel_sdvo_tv_format {
unsigned int ntsc_m:1;
unsigned int ntsc_j:1;
--
1.7.1
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