diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/0214-drm-amdgpu-dp-add-back-special-handling-for-NUTMEG.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/0214-drm-amdgpu-dp-add-back-special-handling-for-NUTMEG.patch | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/0214-drm-amdgpu-dp-add-back-special-handling-for-NUTMEG.patch b/meta-amdfalconx86/recipes-kernel/linux/files/0214-drm-amdgpu-dp-add-back-special-handling-for-NUTMEG.patch deleted file mode 100644 index 6be0003a..00000000 --- a/meta-amdfalconx86/recipes-kernel/linux/files/0214-drm-amdgpu-dp-add-back-special-handling-for-NUTMEG.patch +++ /dev/null @@ -1,62 +0,0 @@ -From c70815caa938048d1e78451bf2b90b1eb6f6b827 Mon Sep 17 00:00:00 2001 -From: Alex Deucher <alexander.deucher@amd.com> -Date: Thu, 3 Mar 2016 19:34:28 -0500 -Subject: [PATCH 0214/1110] drm/amdgpu/dp: add back special handling for NUTMEG -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When I fixed the dp rate selection in: -3b73b168cffd9c392584d3f665021fa2190f8612 -drm/amdgpu: fix dp link rate selection (v2) -I accidently dropped the special handling for NUTMEG -DP bridge chips. They require a fixed link rate. - -Reviewed-by: Christian König <christian.koenig@amd.com> -Reviewed-by: Ken Wang <Qingqing.Wang@amd.com> -Reviewed-by: Harry Wentland <harry.wentland@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> -Cc: stable@vger.kernel.org ---- - drivers/gpu/drm/amd/amdgpu/atombios_dp.c | 20 ++++++++++++++++---- - 1 file changed, 16 insertions(+), 4 deletions(-) - -diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c -index 21aacc1..bf731e9 100644 ---- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c -+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c -@@ -265,15 +265,27 @@ static int amdgpu_atombios_dp_get_dp_link_config(struct drm_connector *connector - unsigned max_lane_num = drm_dp_max_lane_count(dpcd); - unsigned lane_num, i, max_pix_clock; - -- for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { -- for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { -- max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; -+ if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) == -+ ENCODER_OBJECT_ID_NUTMEG) { -+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { -+ max_pix_clock = (lane_num * 270000 * 8) / bpp; - if (max_pix_clock >= pix_clock) { - *dp_lanes = lane_num; -- *dp_rate = link_rates[i]; -+ *dp_rate = 270000; - return 0; - } - } -+ } else { -+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { -+ for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { -+ max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; -+ if (max_pix_clock >= pix_clock) { -+ *dp_lanes = lane_num; -+ *dp_rate = link_rates[i]; -+ return 0; -+ } -+ } -+ } - } - - return -EINVAL; --- -2.7.4 - |