diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0938-drm-amd-dal-add-bpp-from-dc_stream-for-payload-calcu.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0938-drm-amd-dal-add-bpp-from-dc_stream-for-payload-calcu.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0938-drm-amd-dal-add-bpp-from-dc_stream-for-payload-calcu.patch b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0938-drm-amd-dal-add-bpp-from-dc_stream-for-payload-calcu.patch new file mode 100644 index 00000000..028468c6 --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0938-drm-amd-dal-add-bpp-from-dc_stream-for-payload-calcu.patch @@ -0,0 +1,68 @@ +From 51ee62c85ceea1bfb1cbae7133710c5c4480e4a0 Mon Sep 17 00:00:00 2001 +From: Hersen Wu <hersenxs.wu@amd.com> +Date: Wed, 9 Dec 2015 14:43:28 -0500 +Subject: [PATCH 0938/1050] drm/amd/dal: add bpp from dc_stream for payload + calculation + +Change-Id: I6e0efeaf031eaa6979cea7832314096cf35902bb +Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Acked-by: Harry Wentland<harry.wentland@amd.com> +--- + .../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dc_helpers.c | 33 +++++++++++++++++++--- + 1 file changed, 29 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dc_helpers.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dc_helpers.c +index b388dee..87db164 100644 +--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dc_helpers.c ++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dc_helpers.c +@@ -180,7 +180,7 @@ bool dc_helpers_dp_mst_write_payload_allocation_table( + int slots = 0; + bool ret; + int clock; +- int bpp; ++ int bpp = 0; + int pbn = 0; + uint8_t i; + uint8_t vcid = 0; +@@ -199,9 +199,34 @@ bool dc_helpers_dp_mst_write_payload_allocation_table( + mst_port = aconnector->port; + + if (enable) { +- clock = crtc->state->mode.clock; +- /* TODO remove following hardcode value */ +- bpp = 30; ++ clock = stream->timing.pix_clk_khz; ++ ++ switch (stream->timing.display_color_depth) { ++ ++ case COLOR_DEPTH_666: ++ bpp = 6; ++ break; ++ case COLOR_DEPTH_888: ++ bpp = 8; ++ break; ++ case COLOR_DEPTH_101010: ++ bpp = 10; ++ break; ++ case COLOR_DEPTH_121212: ++ bpp = 12; ++ break; ++ case COLOR_DEPTH_141414: ++ bpp = 14; ++ break; ++ case COLOR_DEPTH_161616: ++ bpp = 16; ++ break; ++ default: ++ ASSERT(bpp != 0); ++ break; ++ } ++ ++ bpp = bpp * 3; + + /* TODO need to know link rate */ + +-- +1.9.1 + |