diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1527-drm-amd-display-Access-one-register-via-dmub-offload.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1527-drm-amd-display-Access-one-register-via-dmub-offload.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1527-drm-amd-display-Access-one-register-via-dmub-offload.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1527-drm-amd-display-Access-one-register-via-dmub-offload.patch new file mode 100644 index 00000000..aba43c40 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1527-drm-amd-display-Access-one-register-via-dmub-offload.patch @@ -0,0 +1,41 @@ +From 6023d98aa885fcf3eb0755c018b151596b4713d2 Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Thu, 3 Jan 2019 10:33:48 -0500 +Subject: [PATCH 1527/2940] drm/amd/display: Access one register via dmub + offload. + +Change-Id: Idb34b13b7f427b4638dfaf53b5deff067bb518b5 +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +index 0345d51e9d6f..c3e32051085b 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +@@ -419,11 +419,19 @@ static bool optc1_enable_crtc(struct timing_generator *optc) + REG_UPDATE(CONTROL, + VTG0_ENABLE, 1); + ++#ifdef CONFIG_DRM_AMD_DC_DMUB ++ REG_SEQ_START(); ++#endif + /* Enable CRTC */ + REG_UPDATE_2(OTG_CONTROL, + OTG_DISABLE_POINT_CNTL, 3, + OTG_MASTER_EN, 1); + ++#ifdef CONFIG_DRM_AMD_DC_DMUB ++ REG_SEQ_SUBMIT(); ++ REG_SEQ_WAIT_DONE(); ++#endif ++ + return true; + } + +-- +2.17.1 + |