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authorjames qian wang (Arm Technology China) <james.qian.wang@arm.com>2019-01-22 11:12:02 +0000
committerLiviu Dudau <Liviu.Dudau@arm.com>2019-05-07 11:26:04 +0100
commit8c134d13a07884048756dc5de7cd4526b440483b (patch)
treec0b100af37be429228e5871a6a721021ae265178 /drivers/gpu/drm/arm/display/komeda/komeda_kms.c
parentdrm/komeda: Add sysfs attribute: core_id and config_id (diff)
downloadlinux-dev-8c134d13a07884048756dc5de7cd4526b440483b.tar.xz
linux-dev-8c134d13a07884048756dc5de7cd4526b440483b.zip
drm/komeda: Expose bus_width to Komeda-CORE
CHIP set bus_width according to the HW configuration, and CORE will use it as buffer alignment. v2: Rebase Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_kms.c')
-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_kms.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
index e8573b03021f..86f6542afb40 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
@@ -26,10 +26,10 @@ static int komeda_gem_cma_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
- u32 alignment = 16; /* TODO get alignment from dev */
+ struct komeda_dev *mdev = dev->dev_private;
+ u32 pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
- args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8),
- alignment);
+ args->pitch = ALIGN(pitch, mdev->chip.bus_width);
return drm_gem_cma_dumb_create_internal(file, dev, args);
}