linux-kernel - Re: [PATCH v3 3/6] drm/rockchip: vop: Add yuv plane support

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Date:	Thu, 23 Jul 2015 10:01:58 +0800
From:	Mark yao <mark.yao@...k-chips.com>
To:	Heiko Stübner <heiko@...ech.de>
CC:	dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Clark <robdclark@...il.com>, tfiga@...omium.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	sandy.huang@...k-chips.com, dkm@...k-chips.com, zwl@...k-chips.com,
	xw@...k-chips.com
Subject: Re: [PATCH v3 3/6] drm/rockchip: vop: Add yuv plane support

On 2015年07月23日 05:51, Heiko Stübner wrote:
> Am Dienstag, 21. Juli 2015, 16:20:04 schrieb Mark Yao:
>> vop support yuv with NV12, NV16 and NV24, only 2 plane yuv.
>>
>> Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
>> ---
>> Changes in v3:
>> Adviced by Tomasz Figa
>> - separate dest calculate to another patch
>> - fix src x1,x2 when do align, and remove unnecessary src.y1 align.
>>
>> Changes in v2:
>> - Uv buffer not support odd offset, align it.
>> - Fix error display when move yuv image.
>>
>>   drivers/gpu/drm/rockchip/rockchip_drm_vop.c |   56
>> ++++++++++++++++++++++++++- 1 file changed, 54 insertions(+), 2
>> deletions(-)
>>
>> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
>> b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index c7e0283..47ce943 100644
>> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
>> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
>> @@ -373,6 +373,18 @@ static enum vop_data_format vop_convert_format(uint32_t
>> format) }
>>   }
>>
>> +static bool is_yuv_support(uint32_t format)
>> +{
>> +	switch (format) {
>> +	case DRM_FORMAT_NV12:
>> +	case DRM_FORMAT_NV16:
>> +	case DRM_FORMAT_NV24:
>> +		return true;
>> +	default:
>> +		return false;
>> +	}
>> +}
>> +
>>   static bool is_alpha_support(uint32_t format)
>>   {
>>   	switch (format) {
>> @@ -577,16 +589,21 @@ static int vop_update_plane_event(struct drm_plane
>
> does not apply to what's in mainline, as this patch seems to ignore
> 	85a359f25388 ("drm/rockchip: Add BGR formats to VOP")
> from Tomasz
>

Hmm, I found the patch ("drm/rockchip: Add BGR formats to VOP")
is on the drm-fixes branch, so I didn't resend the patch.

Ok, I will rebase these patches top of the "Add BGR formats to VOP".


>> *plane, struct vop *vop = to_vop(crtc);
>>   	struct drm_gem_object *obj;
>>   	struct rockchip_gem_object *rk_obj;
>> +	struct drm_gem_object *uv_obj;
>> +	struct rockchip_gem_object *rk_uv_obj;
>>   	unsigned long offset;
>>   	unsigned int actual_w;
>>   	unsigned int actual_h;
>>   	unsigned int dsp_stx;
>>   	unsigned int dsp_sty;
>>   	unsigned int y_vir_stride;
>> +	unsigned int uv_vir_stride = 0;
>>   	dma_addr_t yrgb_mst;
>> +	dma_addr_t uv_mst = 0;
>>   	enum vop_data_format format;
>>   	uint32_t val;
>>   	bool is_alpha;
>> +	bool is_yuv;
>>   	bool visible;
>>   	int ret;
>>   	struct drm_rect dest = {
>> @@ -620,6 +637,8 @@ static int vop_update_plane_event(struct drm_plane
>> *plane, return 0;
>>
>>   	is_alpha = is_alpha_support(fb->pixel_format);
>> +	is_yuv = is_yuv_support(fb->pixel_format);
>> +
>>   	format = vop_convert_format(fb->pixel_format);
>>   	if (format < 0)
>>   		return format;
> same as above
>
>
> Heiko
>
>
>


-- 
Ｍark


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