Op 12-12-2019 om 01:27 schreef Manasi Navare: > On Thu, Nov 14, 2019 at 05:05:12PM +0100, Maarten Lankhorst wrote: >> DSC is available on the display emulator, but not set in DPCD. >> Override the entries to allow bigjoiner testing. > In general for these hacks for specific emulator, can we base it on certain i915 parameter like > dsc_emaulator or something to override these values else we might actually affect DSC > behaviour for the actual dsc panels. > >> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> >> --- >> drivers/gpu/drm/drm_dp_helper.c | 4 ++-- >> include/drm/drm_dp_helper.h | 1 + >> 2 files changed, 3 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c >> index 2c7870aef469..3d6038f35ea2 100644 >> --- a/drivers/gpu/drm/drm_dp_helper.c >> +++ b/drivers/gpu/drm/drm_dp_helper.c >> @@ -1261,7 +1261,7 @@ u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], >> if (slice_cap1 & DP_DSC_4_PER_DP_DSC_SINK) >> return 4; >> if (slice_cap1 & DP_DSC_2_PER_DP_DSC_SINK) >> - return 2; >> + return 4; > Is this also needed for the big joiner since it doesnt return 4 slice count? > > Manasi This patch is not for upstream, just a hack to make it work on the tgl with the emulator. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
