Add the fractional DSC BPP force check to intel_dp_dsc_valid_bpp(), and
use that in xelpd_dsc_compute_link_config(). This is another step closer
towards unifying the platform specific functions.
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ac67f2d2f86a..c7de9efcd740 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2075,8 +2075,12 @@ static bool intel_dp_dsc_valid_bpp(struct intel_dp *intel_dp, int bpp_x16)
struct intel_display *display = to_intel_display(intel_dp);
int i;
- if (DISPLAY_VER(display) >= 13)
+ if (DISPLAY_VER(display) >= 13) {
+ if (intel_dp->force_dsc_fractional_bpp_en && !fxp_q4_to_frac(bpp_x16))
+ return false;
+
return true;
+ }
if (fxp_q4_to_frac(bpp_x16))
return false;
@@ -2143,9 +2147,9 @@ xelpd_dsc_compute_link_config(struct intel_dp *intel_dp,
int ret;
for (bpp_x16 = max_bpp_x16; bpp_x16 >= min_bpp_x16; bpp_x16 -= bpp_step_x16) {
- if (intel_dp->force_dsc_fractional_bpp_en &&
- !fxp_q4_to_frac(bpp_x16))
+ if (!intel_dp_dsc_valid_bpp(intel_dp, bpp_x16))
continue;
+
ret = dsc_compute_link_config(intel_dp,
pipe_config,
limits,
--
2.39.5
