[PATCH 06/29] drm/i915/display: Use joined pipes in dsc helpers for slices, bpp
Ankit Nautiyal
ankit.k.nautiyal at intel.com
Wed Aug 21 10:19:22 UTC 2024
In preparation of ultrajoiner, use number of joined pipes in the dsc
helpers to compute dsc slices and max compressed bpp, instead of using
the joiner flag.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal at intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 27 +++++++++++----------
drivers/gpu/drm/i915/display/intel_dp.h | 4 +--
drivers/gpu/drm/i915/display/intel_dp_mst.c | 11 +++++----
3 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6df59905f28d..b2058e5e54b3 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -865,14 +865,14 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915, u32 bpp, u32 p
static
u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915,
u32 mode_clock, u32 mode_hdisplay,
- bool bigjoiner)
+ enum intel_joiner_pipe_count joined_pipes)
{
u32 max_bpp_small_joiner_ram;
/* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */
max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / mode_hdisplay;
- if (bigjoiner) {
+ if (joined_pipes == INTEL_PIPE_JOINER_BIG) {
int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24;
/* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */
int ppc = 2;
@@ -891,7 +891,7 @@ u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915,
u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
u32 link_clock, u32 lane_count,
u32 mode_clock, u32 mode_hdisplay,
- bool bigjoiner,
+ enum intel_joiner_pipe_count joined_pipes,
enum intel_output_format output_format,
u32 pipe_bpp,
u32 timeslots)
@@ -937,7 +937,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
intel_dp_mode_to_fec_clock(mode_clock));
joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, mode_clock,
- mode_hdisplay, bigjoiner);
+ mode_hdisplay, joined_pipes);
bits_per_pixel = min(bits_per_pixel, joiner_max_bpp);
bits_per_pixel = intel_dp_dsc_nearest_valid_bpp(i915, bits_per_pixel, pipe_bpp);
@@ -947,7 +947,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
int mode_clock, int mode_hdisplay,
- bool bigjoiner)
+ enum intel_joiner_pipe_count joined_pipes)
{
struct drm_i915_private *i915 = to_i915(connector->base.dev);
u8 min_slice_count, i;
@@ -981,14 +981,14 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
/* Find the closest match to the valid slice count values */
for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) {
- u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner;
+ u8 test_slice_count = valid_dsc_slicecount[i] << (joined_pipes / 2);
if (test_slice_count >
drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false))
break;
/* big joiner needs small joiner to be enabled */
- if (bigjoiner && test_slice_count < 4)
+ if (joined_pipes == INTEL_PIPE_JOINER_BIG && test_slice_count < 4)
continue;
if (min_slice_count <= test_slice_count)
@@ -1314,7 +1314,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
u16 dsc_max_compressed_bpp = 0;
u8 dsc_slice_count = 0;
enum drm_mode_status status;
- bool dsc = false, joiner = false;
+ bool dsc = false;
enum intel_joiner_pipe_count joined_pipes = INTEL_PIPE_JOINER_NONE;
status = intel_cpu_transcoder_mode_valid(dev_priv, mode);
@@ -1338,7 +1338,6 @@ intel_dp_mode_valid(struct drm_connector *_connector,
if (intel_dp_need_joiner(intel_dp, connector,
mode->hdisplay, target_clock)) {
- joiner = true;
joined_pipes = INTEL_PIPE_JOINER_BIG;
max_dotclk *= INTEL_PIPE_JOINER_BIG;
}
@@ -1385,14 +1384,14 @@ intel_dp_mode_valid(struct drm_connector *_connector,
max_lanes,
target_clock,
mode->hdisplay,
- joiner,
+ joined_pipes,
output_format,
pipe_bpp, 64);
dsc_slice_count =
intel_dp_dsc_get_slice_count(connector,
target_clock,
mode->hdisplay,
- joiner);
+ joined_pipes);
}
dsc = dsc_max_compressed_bpp && dsc_slice_count;
@@ -2108,6 +2107,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp,
int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;
int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp;
int dsc_joiner_max_bpp;
+ int joined_pipes = intel_joiner_num_pipes(pipe_config);
dsc_src_min_bpp = dsc_src_min_compressed_bpp();
dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config);
@@ -2122,7 +2122,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp,
dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, adjusted_mode->clock,
adjusted_mode->hdisplay,
- pipe_config->joiner_pipes);
+ joined_pipes);
dsc_max_bpp = min(dsc_max_bpp, dsc_joiner_max_bpp);
dsc_max_bpp = min(dsc_max_bpp, fxp_q4_to_int(limits->link.max_bpp_x16));
@@ -2307,6 +2307,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
to_intel_connector(conn_state->connector);
const struct drm_display_mode *adjusted_mode =
&pipe_config->hw.adjusted_mode;
+ int joined_pipes = intel_joiner_num_pipes(pipe_config);
int ret;
pipe_config->fec_enable = pipe_config->fec_enable ||
@@ -2356,7 +2357,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
intel_dp_dsc_get_slice_count(connector,
adjusted_mode->crtc_clock,
adjusted_mode->crtc_hdisplay,
- pipe_config->joiner_pipes);
+ joined_pipes);
if (!dsc_dp_slice_count) {
drm_dbg_kms(&dev_priv->drm,
"Compressed Slice Count not supported\n");
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 0a14db9bb20f..f284058f5148 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -144,7 +144,7 @@ int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector,
u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
u32 link_clock, u32 lane_count,
u32 mode_clock, u32 mode_hdisplay,
- bool bigjoiner,
+ enum intel_joiner_pipe_count joined_pipes,
enum intel_output_format output_format,
u32 pipe_bpp,
u32 timeslots);
@@ -154,7 +154,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector
int bpc);
u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
int mode_clock, int mode_hdisplay,
- bool bigjoiner);
+ enum intel_joiner_pipe_count joined_pipes);
bool intel_dp_need_joiner(struct intel_dp *intel_dp,
struct intel_connector *connector,
int hdisplay, int clock);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 27cf302c9a34..9dc12b799414 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -102,11 +102,13 @@ static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state,
flags |= crtc_state->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0;
if (dsc) {
+ int joined_pipes = intel_joiner_num_pipes(crtc_state);
+
flags |= DRM_DP_BW_OVERHEAD_DSC;
dsc_slice_count = intel_dp_dsc_get_slice_count(connector,
adjusted_mode->clock,
adjusted_mode->hdisplay,
- crtc_state->joiner_pipes);
+ joined_pipes);
}
overhead = drm_dp_bw_overhead(crtc_state->lane_count,
@@ -1427,7 +1429,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
int max_dotclk = to_i915(connector->dev)->display.cdclk.max_dotclk_freq;
int max_rate, mode_rate, max_lanes, max_link_clock;
int ret;
- bool dsc = false, joiner = false;
+ bool dsc = false;
u16 dsc_max_compressed_bpp = 0;
u8 dsc_slice_count = 0;
int target_clock = mode->clock;
@@ -1473,7 +1475,6 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
*/
if (intel_dp_need_joiner(intel_dp, intel_connector,
mode->hdisplay, target_clock)) {
- joiner = true;
joined_pipes = INTEL_PIPE_JOINER_BIG;
max_dotclk *= INTEL_PIPE_JOINER_BIG;
}
@@ -1502,14 +1503,14 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
max_lanes,
target_clock,
mode->hdisplay,
- joiner,
+ joined_pipes,
INTEL_OUTPUT_FORMAT_RGB,
pipe_bpp, 64);
dsc_slice_count =
intel_dp_dsc_get_slice_count(intel_connector,
target_clock,
mode->hdisplay,
- joiner);
+ joined_pipes);
}
dsc = dsc_max_compressed_bpp && dsc_slice_count;
--
2.45.2
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