Commit 8c134d13 authored by james qian wang (Arm Technology China)'s avatar james qian wang (Arm Technology China) Committed by Liviu Dudau
Browse files

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: default avatarJames Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
parent 55223394

drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c

+1 −0
Original line number Diff line number Diff line
@@ -520,6 +520,7 @@ d71_identify(u32 __iomem *reg_base, struct komeda_chip_info *chip) 
	chip->arch_id	= malidp_read32(reg_base, GLB_ARCH_ID);

	chip->core_id	= malidp_read32(reg_base, GLB_CORE_ID);

	chip->core_info	= malidp_read32(reg_base, GLB_CORE_INFO);

	chip->bus_width	= D71_BUS_WIDTH_16_BYTES;



	return &d71_chip_funcs;

}

drivers/gpu/drm/arm/display/komeda/komeda_kms.c

+3 −3
Original line number Diff line number Diff line
@@ -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);

}

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