diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1133-drm-amd-display-fix-eDP-fast-bootup-for-pre-raven-as.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1133-drm-amd-display-fix-eDP-fast-bootup-for-pre-raven-as.patch | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1133-drm-amd-display-fix-eDP-fast-bootup-for-pre-raven-as.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1133-drm-amd-display-fix-eDP-fast-bootup-for-pre-raven-as.patch new file mode 100644 index 00000000..0c8aa1e1 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1133-drm-amd-display-fix-eDP-fast-bootup-for-pre-raven-as.patch @@ -0,0 +1,143 @@ +From a49d1acbbe63af9b5f4f331eecbee454efffd8af Mon Sep 17 00:00:00 2001 +From: hersen wu <hersenxs.wu@amd.com> +Date: Fri, 11 Jan 2019 10:39:30 -0500 +Subject: [PATCH 1133/2940] drm/amd/display: fix eDP fast bootup for pre-raven + asic + +[Why] +For fastboot, Bios will light up eDP before SW driver is loaded. SW +driver will check if eDP is lit by bios through reading the +BIOS_SCRATCH_3 register. If lit, SW driver will not power down eDP +power and phy to save time. + +Definition of BIOS_SCRATCH_3 are missing for pre-raven asic. This +causes eDP fast boot to not work property. For some eDP panels, even +if dp tx sends NoVideoStream_flag =1 and dpcd 0x600=2, eDP rx may not +handle properly. This may cause a short flash on screen. + +[How] Add definition of BIOS_SCRATCH_3 for all asic + +Signed-off-by: hersen wu <hersenxs.wu@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Acked-by: Yongqiang Sun <yongqiang.sun@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c | 3 +-- + drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 2 ++ + drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 2 ++ + drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c | 2 ++ + drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 1 + + drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c | 2 ++ + 6 files changed, 10 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c +index fdda8aa8e303..d8275ceb20c1 100644 +--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c ++++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c +@@ -83,8 +83,7 @@ uint32_t bios_get_vga_enabled_displays( + { + uint32_t active_disp = 1; + +- if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/ +- active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF; ++ active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF; + return active_disp; + } + +diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +index c3f616a739d7..23044e6723e8 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +@@ -76,6 +76,7 @@ + + #ifndef mmBIOS_SCRATCH_2 + #define mmBIOS_SCRATCH_2 0x05CB ++ #define mmBIOS_SCRATCH_3 0x05CC + #define mmBIOS_SCRATCH_6 0x05CF + #endif + +@@ -365,6 +366,7 @@ static const struct dce_abm_mask abm_mask = { + #define DCFE_MEM_PWR_CTRL_REG_BASE 0x1b03 + + static const struct bios_registers bios_regs = { ++ .BIOS_SCRATCH_3 = mmBIOS_SCRATCH_3, + .BIOS_SCRATCH_6 = mmBIOS_SCRATCH_6 + }; + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +index 7d46eb7a2ace..7549adaa1542 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +@@ -84,6 +84,7 @@ + + #ifndef mmBIOS_SCRATCH_2 + #define mmBIOS_SCRATCH_2 0x05CB ++ #define mmBIOS_SCRATCH_3 0x05CC + #define mmBIOS_SCRATCH_6 0x05CF + #endif + +@@ -369,6 +370,7 @@ static const struct dce110_clk_src_mask cs_mask = { + }; + + static const struct bios_registers bios_regs = { ++ .BIOS_SCRATCH_3 = mmBIOS_SCRATCH_3, + .BIOS_SCRATCH_6 = mmBIOS_SCRATCH_6 + }; + +diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c +index d930e09ccfb4..ea3065d63372 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c +@@ -76,6 +76,7 @@ + + #ifndef mmBIOS_SCRATCH_2 + #define mmBIOS_SCRATCH_2 0x05CB ++ #define mmBIOS_SCRATCH_3 0x05CC + #define mmBIOS_SCRATCH_6 0x05CF + #endif + +@@ -376,6 +377,7 @@ static const struct dce110_clk_src_mask cs_mask = { + }; + + static const struct bios_registers bios_regs = { ++ .BIOS_SCRATCH_3 = mmBIOS_SCRATCH_3, + .BIOS_SCRATCH_6 = mmBIOS_SCRATCH_6 + }; + +diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +index 23d7d4d85207..312a0aebf91f 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +@@ -442,6 +442,7 @@ struct dce_i2c_hw *dce120_i2c_hw_create( + return dce_i2c_hw; + } + static const struct bios_registers bios_regs = { ++ .BIOS_SCRATCH_3 = mmBIOS_SCRATCH_3 + NBIO_BASE(mmBIOS_SCRATCH_3_BASE_IDX), + .BIOS_SCRATCH_6 = mmBIOS_SCRATCH_6 + NBIO_BASE(mmBIOS_SCRATCH_6_BASE_IDX) + }; + +diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +index e0bba0bc996b..2eca81b5cf2f 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +@@ -77,6 +77,7 @@ + + #ifndef mmBIOS_SCRATCH_2 + #define mmBIOS_SCRATCH_2 0x05CB ++ #define mmBIOS_SCRATCH_3 0x05CC + #define mmBIOS_SCRATCH_6 0x05CF + #endif + +@@ -358,6 +359,7 @@ static const struct dce110_clk_src_mask cs_mask = { + }; + + static const struct bios_registers bios_regs = { ++ .BIOS_SCRATCH_3 = mmBIOS_SCRATCH_3, + .BIOS_SCRATCH_6 = mmBIOS_SCRATCH_6 + }; + +-- +2.17.1 + |