diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0465-drm-amd-display-add-always_scale-debug-flag-to-dc.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0465-drm-amd-display-add-always_scale-debug-flag-to-dc.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0465-drm-amd-display-add-always_scale-debug-flag-to-dc.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0465-drm-amd-display-add-always_scale-debug-flag-to-dc.patch new file mode 100644 index 00000000..deb2df6e --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0465-drm-amd-display-add-always_scale-debug-flag-to-dc.patch @@ -0,0 +1,82 @@ +From ca33c34976edf14f7ec53f0697d40a9afa0d7cef Mon Sep 17 00:00:00 2001 +From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Date: Fri, 19 May 2017 13:01:35 -0400 +Subject: [PATCH 0465/4131] drm/amd/display: add always_scale debug flag to dc + +Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dc.h | 1 + + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c | 14 +++++++++----- + 2 files changed, 10 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index f2efa32f..3b35487 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -181,6 +181,7 @@ struct dc_debug { + int urgent_latency_ns; + int percent_of_ideal_drambw; + int dram_clock_change_latency_ns; ++ int always_scale; + #endif + bool disable_pplib_clock_request; + bool disable_clock_gate; +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c +index 3718fb5..6098058 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c +@@ -157,7 +157,8 @@ static void transform_set_otg_blank( + OTG_V_BLANK_END, v_blank_end); + } + +-static enum dscl_mode_sel get_dscl_mode(const struct scaler_data *data) ++static enum dscl_mode_sel get_dscl_mode( ++ const struct scaler_data *data, bool dbg_always_scale) + { + const long long one = dal_fixed31_32_one.value; + bool ycbcr = false; +@@ -177,7 +178,8 @@ static enum dscl_mode_sel get_dscl_mode(const struct scaler_data *data) + if (data->ratios.horz.value == one + && data->ratios.vert.value == one + && data->ratios.horz_c.value == one +- && data->ratios.vert_c.value == one) ++ && data->ratios.vert_c.value == one ++ && !dbg_always_scale) + return DSCL_MODE_SCALING_444_BYPASS; + + if (!format420) { +@@ -603,7 +605,8 @@ void transform_set_scaler_auto_scale( + { + enum lb_memory_config lb_config; + struct dcn10_transform *xfm = TO_DCN10_TRANSFORM(xfm_base); +- enum dscl_mode_sel dscl_mode = get_dscl_mode(scl_data); ++ enum dscl_mode_sel dscl_mode = get_dscl_mode( ++ scl_data, xfm_base->ctx->dc->debug.always_scale); + bool ycbcr = scl_data->format >= PIXEL_FORMAT_VIDEO_BEGIN + && scl_data->format <= PIXEL_FORMAT_VIDEO_END; + +@@ -611,7 +614,7 @@ void transform_set_scaler_auto_scale( + + transform_set_otg_blank(xfm, scl_data); + +- REG_UPDATE(SCL_MODE, DSCL_MODE, get_dscl_mode(scl_data)); ++ REG_UPDATE(SCL_MODE, DSCL_MODE, dscl_mode); + + transform_set_viewport(xfm, &scl_data->viewport, &scl_data->viewport_c); + +@@ -740,7 +743,8 @@ static void transform_set_scaler_manual_scale( + { + enum lb_memory_config lb_config; + struct dcn10_transform *xfm = TO_DCN10_TRANSFORM(xfm_base); +- enum dscl_mode_sel dscl_mode = get_dscl_mode(scl_data); ++ enum dscl_mode_sel dscl_mode = get_dscl_mode( ++ scl_data, xfm_base->ctx->dc->debug.always_scale); + bool ycbcr = scl_data->format >= PIXEL_FORMAT_VIDEO_BEGIN + && scl_data->format <= PIXEL_FORMAT_VIDEO_END; + +-- +2.7.4 + |