[PATCH 05/12] drm/amd/display: Fix bunch of warnings in DC
Harry Wentland
harry.wentland at amd.com
Thu Dec 8 01:26:17 UTC 2016
Some of those are potential bugs
Change-Id: I53b2c663e18b57013e1b891fc2ecf1fb2d7d3a08
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
.../gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c | 2 +-
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 5 +--
.../gpu/drm/amd/display/dc/dce/dce_clock_source.c | 5 ---
drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 43 +---------------------
drivers/gpu/drm/amd/display/dc/dce/dce_transform.c | 2 -
.../drm/amd/display/dc/dce110/dce110_transform_v.c | 3 +-
6 files changed, 6 insertions(+), 54 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c
index 0b2bb3992f1a..3b0710ef4716 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c
@@ -1709,7 +1709,7 @@ static void calculate_bandwidth(
else {
data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level]));
if (bw_ltn(data->adjusted_data_buffer_size[k], bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), (bw_add(vbios->blackout_duration, bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])))))) {
- data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_div((bw_add(bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), vbios->blackout_duration), bw_sub(bw_div(bw_mul(bw_mul(bw_mul((bw_add(bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->dmif_burst_time[i][j]), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])), data->dispclk), bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), data->adjusted_data_buffer_size[k]))), (bw_sub(bw_div(bw_mul(bw_mul(data->dispclk, bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k])))));
+ data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_div((bw_add(bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), vbios->blackout_duration), bw_sub(bw_div(bw_mul(bw_mul(bw_mul((bw_add(bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->dmif_burst_time[data->y_clk_level][data->sclk_level]), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])), data->dispclk), bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), data->adjusted_data_buffer_size[k]))), (bw_sub(bw_div(bw_mul(bw_mul(data->dispclk, bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k])))));
}
}
}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index bd53d27e5414..f552b0468186 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1834,11 +1834,10 @@ void resource_build_info_frame(struct pipe_ctx *pipe_ctx)
set_vendor_info_packet(
pipe_ctx->stream, &info_frame.vendor_info_packet);
set_spd_info_packet(pipe_ctx->stream, &info_frame.spd_packet);
- }
-
- else if (dc_is_dp_signal(signal))
+ } else if (dc_is_dp_signal(signal)) {
set_vsc_info_packet(pipe_ctx->stream, &info_frame.vsc_packet);
set_spd_info_packet(pipe_ctx->stream, &info_frame.spd_packet);
+ }
translate_info_frame(&info_frame,
&pipe_ctx->encoder_info_frame);
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index 80ac5d9efa71..3d1c32122d69 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -465,7 +465,6 @@ static uint32_t dce110_get_pix_clk_dividers_helper (
struct pll_settings *pll_settings,
struct pixel_clk_params *pix_clk_params)
{
- uint32_t addr = 0;
uint32_t value = 0;
uint32_t field = 0;
uint32_t pll_calc_error = MAX_PLL_CALC_ERROR;
@@ -731,8 +730,6 @@ static void dce110_program_pixel_clk_resync(
enum signal_type signal_type,
enum dc_color_depth colordepth)
{
- uint32_t value = 0;
-
REG_UPDATE(RESYNC_CNTL,
DCCG_DEEP_COLOR_CNTL1, 0);
/*
@@ -772,8 +769,6 @@ static void dce112_program_pixel_clk_resync(
enum dc_color_depth colordepth,
bool enable_ycbcr420)
{
- uint32_t value = 0;
-
REG_UPDATE(PIXCLK_RESYNC_CNTL,
PHYPLLA_DCCG_DEEP_COLOR_CNTL, 0);
/*
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
index c2bd8dc7b4ad..262612061c68 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
@@ -148,29 +148,6 @@ static int dce_divider_range_calc_divider(
}
-static int dce_divider_range_calc_did(
- struct dce_divider_range *div_range,
- int div)
-{
- int did;
- /* Check before dividing.*/
- if (div_range->div_range_step == 0) {
- div_range->div_range_step = 1;
- /*div_range_step cannot be zero*/
- BREAK_TO_DEBUGGER();
- }
- /* Is this divider within our range?*/
- if ((div < div_range->div_range_start)
- || (div >= div_range->div_range_end))
- return INVALID_DID;
-/* did = (divider - range_start + (range_step-1)) / range_step) + did_min*/
- did = div - div_range->div_range_start;
- did += div_range->div_range_step - 1;
- did /= div_range->div_range_step;
- did += div_range->did_min;
- return did;
-}
-
static int dce_divider_range_get_divider(
struct dce_divider_range *div_range,
int ranges_num,
@@ -189,25 +166,7 @@ static int dce_divider_range_get_divider(
return div;
}
-static int dce_divider_range_get_did(
- struct dce_divider_range *div_range,
- int ranges_num,
- int divider)
-{
- int did = INVALID_DID;
- int i;
-
- for (i = 0; i < ranges_num; i++) {
- /* CalcDid returns InvalidDid if a divider ID isn't found*/
- did = dce_divider_range_calc_did(&div_range[i], divider);
- /* Found a valid return did*/
- if (did != INVALID_DID)
- break;
- }
- return did;
-}
-
-static uint32_t dce_clocks_get_dp_ref_freq(struct display_clock *clk)
+static int dce_clocks_get_dp_ref_freq(struct display_clock *clk)
{
struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk);
int dprefclk_wdivider;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
index f47b6617f662..bbf4d97cb980 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
@@ -83,8 +83,6 @@ static bool setup_scaling_configuration(
struct dce_transform *xfm_dce,
const struct scaler_data *data)
{
- struct dc_context *ctx = xfm_dce->base.ctx;
-
if (data->taps.h_taps + data->taps.v_taps <= 2) {
/* Set bypass */
REG_UPDATE_2(SCL_MODE, SCL_MODE, 0, SCL_PSCL_EN, 0);
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c
index 7d8cf7a58f46..feb5f3c29804 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c
@@ -621,7 +621,8 @@ static void dce110_xfmv_set_pixel_storage_depth(
const struct bit_depth_reduction_params *bit_depth_params)
{
struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
- int pixel_depth, expan_mode;
+ int pixel_depth = 0;
+ int expan_mode = 0;
uint32_t reg_data = 0;
switch (depth) {
--
2.9.3
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