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| author | Ayan Kumar Halder <ayan.halder@arm.com> | 2018-05-15 19:04:18 +0300 |
|---|---|---|
| committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2018-07-05 17:19:08 +0300 |
| commit | f877006d5db49f3615fcee4bd5eb1a56c053d419 (patch) | |
| tree | a9334e928e3964bc28aaf697db171912d4254d81 /drivers/gpu/drm/arm/malidp_hw.c | |
| parent | fbcc454e8a350b929cb04fbcfdfa72fab37acf38 (diff) | |
| download | linux-f877006d5db49f3615fcee4bd5eb1a56c053d419.tar.xz | |
drm/arm/malidp: Set the output_depth register in modeset
One needs to store the value of the OUTPUT_DEPTH that one has parsed from
device tree, so that it can be restored on system resume. This value is
set in the modeset function as this gets reset when the system suspends.
Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_hw.c')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_hw.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index 47fc112ee32e..c94a4422e0e9 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -244,6 +244,8 @@ static void malidp500_modeset(struct malidp_hw_device *hwdev, struct videomode * { u32 val = 0; + malidp_hw_write(hwdev, hwdev->output_color_depth, + hwdev->hw->map.out_depth_base); malidp_hw_clearbits(hwdev, MALIDP500_DC_CLEAR_MASK, MALIDP500_DC_CONTROL); if (mode->flags & DISPLAY_FLAGS_HSYNC_HIGH) val |= MALIDP500_HSYNCPOL; @@ -520,6 +522,8 @@ static void malidp550_modeset(struct malidp_hw_device *hwdev, struct videomode * { u32 val = MALIDP_DE_DEFAULT_PREFETCH_START; + malidp_hw_write(hwdev, hwdev->output_color_depth, + hwdev->hw->map.out_depth_base); malidp_hw_write(hwdev, val, MALIDP550_DE_CONTROL); /* * Mali-DP550 and Mali-DP650 encode the background color like this: |