[Intel-gfx] [PATCH 15/19] drm/i915/dp: Use connector DSC DPCD in intel_dp_dsc_get_slice_count()

Imre Deak
2023-10-06T13:37:46Z

Use the connector's DSC DPCD capabilities in
intel_dp_dsc_get_slice_count().

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++------
drivers/gpu/drm/i915/display/intel_dp.h | 2 +-
drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 846a25a85d6b6..7449ff145a842 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -823,11 +823,11 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
return bits_per_pixel;
}

-u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
+u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
int mode_clock, int mode_hdisplay,
bool bigjoiner)
{
- struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
u8 min_slice_count, i;
int max_slice_width;

@@ -845,7 +845,7 @@ u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
if (mode_clock >= ((i915->display.cdclk.max_cdclk_freq * 85) / 100))
min_slice_count = max_t(u8, min_slice_count, 2);

- max_slice_width = drm_dp_dsc_sink_max_slice_width(intel_dp->dsc_dpcd);
+ max_slice_width = drm_dp_dsc_sink_max_slice_width(connector->dp.dsc_dpcd);
if (max_slice_width < DP_DSC_MIN_SLICE_WIDTH_VALUE) {
drm_dbg_kms(&i915->drm,
"Unsupported slice width %d by DP DSC Sink device\n",
@@ -862,7 +862,7 @@ u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner;

if (test_slice_count >
- drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, false))
+ drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false))
break;

/* big joiner needs small joiner to be enabled */
@@ -1238,7 +1238,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
output_format,
pipe_bpp, 64);
dsc_slice_count =
- intel_dp_dsc_get_slice_count(intel_dp,
+ intel_dp_dsc_get_slice_count(connector,
target_clock,
mode->hdisplay,
bigjoiner);
@@ -2161,7 +2161,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
u8 dsc_dp_slice_count;

dsc_dp_slice_count =
- intel_dp_dsc_get_slice_count(intel_dp,
+ intel_dp_dsc_get_slice_count(connector,
adjusted_mode->crtc_clock,
adjusted_mode->crtc_hdisplay,
pipe_config->bigjoiner_pipes);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index af87aa2a5ed67..51edb587e4d24 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -125,7 +125,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,
enum intel_output_format output_format,
u32 pipe_bpp,
u32 timeslots);
-u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
+u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
int mode_clock, int mode_hdisplay,
bool bigjoiner);
bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 303734ab7ef4e..115d4d8870b03 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -1014,7 +1014,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
INTEL_OUTPUT_FORMAT_RGB,
pipe_bpp, 64);
dsc_slice_count =
- intel_dp_dsc_get_slice_count(intel_dp,
+ intel_dp_dsc_get_slice_count(intel_connector,
target_clock,
mode->hdisplay,
bigjoiner);
--
2.39.2