From 07d4f905329438b8e4daf7f58f5afea7d781a9b2 Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Tue, 7 Jan 2020 16:33:32 -0500 Subject: [PATCH] drm/amd/display: Add debug option to disable DSC support [how] Empty dsc enc caps when debug option is set to disable DSC. Signed-off-by: Wenjing Liu Reviewed-by: Nikola Cornij Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 3fa85a54..7d31dcb 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -425,6 +425,7 @@ struct dc_debug_options { bool validate_dml_output; bool enable_dmcub_surface_flip; bool usbc_combo_phy_reset_wa; + bool disable_dsc; }; struct dc_debug_data { diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c index 8b78fcb..87d682d 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c @@ -224,7 +224,8 @@ static void get_dsc_enc_caps( memset(dsc_enc_caps, 0, sizeof(struct dsc_enc_caps)); if (dsc) { - dsc->funcs->dsc_get_enc_caps(dsc_enc_caps, pixel_clock_100Hz); + if (!dsc->ctx->dc->debug.disable_dsc) + dsc->funcs->dsc_get_enc_caps(dsc_enc_caps, pixel_clock_100Hz); if (dsc->ctx->dc->debug.native422_support) dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1; } -- 2.7.4