From bcc6aa61c82d4f12df3ecc884a9eef9d566edae9 Mon Sep 17 00:00:00 2001 From: Eryk Brol Date: Fri, 19 Jun 2020 14:42:09 -0400 Subject: drm/amd/display: Fix DSC force enable on SST [why] Previously when force enabling DSC on SST display we unknowingly supressed lane count, which caused DSC to be enabled automatically. [how] By adding an additional flag to force enable DSC in dc_dsc.c DSC can always be enabled with debugfs dsc_clock_en forced to 1 Cc: stable@vger.kernel.org Signed-off-by: Eryk Brol Signed-off-by: Mikita Lipski Reviewed-by: Wenjing Liu Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc_dsc.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/dc_dsc.h') diff --git a/drivers/gpu/drm/amd/display/dc/dc_dsc.h b/drivers/gpu/drm/amd/display/dc/dc_dsc.h index 3800340a5b4f..768ab38d41cf 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dsc.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dsc.h @@ -51,6 +51,7 @@ struct dc_dsc_policy { int min_slice_height; // Must not be less than 8 uint32_t max_target_bpp; uint32_t min_target_bpp; + bool enable_dsc_when_not_needed; }; bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, @@ -80,4 +81,6 @@ void dc_dsc_get_policy_for_timing(const struct dc_crtc_timing *timing, void dc_dsc_policy_set_max_target_bpp_limit(uint32_t limit); +void dc_dsc_policy_set_enable_dsc_when_not_needed(bool enable); + #endif -- cgit v1.2.3