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drm/i915/display/dsc: Refactor intel_dp_dsc_compute_bpp 

Move the platform specific max bpc calculation into
intel_dp_dsc_compute_bpp function

Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-4-matthew.d.roper@intel.com
This commit is contained in:
Vandita Kulkarni 2021-05-14 08:36:55 -07:00 коммит произвёл Matt Roper
Родитель 1003cee29f
Коммит 6ee9dea52a
1 изменённых файлов: 10 добавлений и 10 удалений
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20
drivers/gpu/drm/i915/display/intel_dp.c
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@ -1097,10 +1097,18 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp,
return -EINVAL;
}
static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc)
static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 max_req_bpc)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int i, num_bpc;
u8 dsc_bpc[3] = {0};
u8 dsc_max_bpc;
/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
if (DISPLAY_VER(i915) >= 12)
dsc_max_bpc = min_t(u8, 12, max_req_bpc);
else
dsc_max_bpc = min_t(u8, 10, max_req_bpc);
num_bpc = drm_dp_dsc_sink_supported_input_bpcs(intel_dp->dsc_dpcd,
dsc_bpc);
@ -1188,7 +1196,6 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
const struct drm_display_mode *adjusted_mode =
&pipe_config->hw.adjusted_mode;
u8 dsc_max_bpc;
int pipe_bpp;
int ret;
@ -1198,14 +1205,7 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
if (!intel_dp_supports_dsc(intel_dp, pipe_config))
return -EINVAL;
/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
if (DISPLAY_VER(dev_priv) >= 12)
dsc_max_bpc = min_t(u8, 12, conn_state->max_requested_bpc);
else
dsc_max_bpc = min_t(u8, 10,
conn_state->max_requested_bpc);
pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, dsc_max_bpc);
pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc);
/* Min Input BPC for ICL+ is 8 */
if (pipe_bpp < 8 * 3) {