[i-g-t V2] lib/igt_draw: Fix the usage of FB width & height

B, Jeevan jeevan.b at intel.com
Tue Jan 30 15:21:55 UTC 2024


> -----Original Message-----
> From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of
> Bhanuprakash Modem
> Sent: Tuesday, January 30, 2024 5:07 PM
> To: igt-dev at lists.freedesktop.org
> Cc: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> Subject: [i-g-t V2] lib/igt_draw: Fix the usage of FB width & height
> 
> Aliging to xe default alignment is causing the mismatch in derived height from
> framebuffer size (height = size/ stride). Instead use the original width & height
> from the created fb.
> 
> V2: - Fix issues in CI
> 
> Fixes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/608
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> Cc: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>  lib/igt_draw.c                         | 16 +++++++++++++---
>  lib/igt_draw.h                         |  1 +
>  tests/intel/kms_big_fb.c               |  7 +++----
>  tests/intel/kms_frontbuffer_tracking.c |  1 +
>  4 files changed, 18 insertions(+), 7 deletions(-)
> 
> diff --git a/lib/igt_draw.c b/lib/igt_draw.c index 637b9ba76..0757e9801 100644
> --- a/lib/igt_draw.c
> +++ b/lib/igt_draw.c
> @@ -75,6 +75,8 @@ struct buf_data {
>  	uint32_t handle;
>  	uint32_t size;
>  	uint32_t stride;
> +	int width;
> +	int height;
>  	int bpp;
>  	uint8_t pat_index;
>  };
> @@ -648,8 +650,8 @@ static struct intel_buf *create_buf(int fd, struct buf_ops
> *bops,
>  	uint64_t region = driver == INTEL_DRIVER_XE ? vram_if_possible(fd, 0) : -
> 1;
>  	uint64_t size = from->size;
> 
> -	width = from->stride / (from->bpp / 8);
> -	height = from->size / from->stride;
> +	width = from->width;
> +	height = from->height;
>  	if (driver == INTEL_DRIVER_XE)
>  		size = ALIGN(size, xe_get_default_alignment(fd));
> 
> @@ -686,7 +688,7 @@ static void draw_rect_blt(int fd, struct cmd_data
> *cmd_data,
>  	intel_bb_add_intel_buf(ibb, dst, true);
> 
>  	if (HAS_4TILE(intel_get_drm_devid(fd))) {
> -		int buf_height = buf->size / buf->stride;
> +		int buf_height = buf->height;
> 
>  		switch (buf->bpp) {
>  		case 8:
> @@ -807,6 +809,8 @@ static void draw_rect_render(int fd, struct cmd_data
> *cmd_data,
> 
>  	tmp.stride = rect->w * pixel_size;
>  	tmp.bpp = buf->bpp;
> +	tmp.width = rect->w;
> +	tmp.height = rect->h;

Is this required ? I think these are not required. 
Please correct me if I am wrong. 

>  	if (is_i915_device(fd))
>  		draw_rect_mmap_cpu(fd, &tmp, &(struct rect){0, 0, rect->w,
> rect->h},
>  				   I915_TILING_NONE,
> I915_BIT_6_SWIZZLE_NONE, color); @@ -834,6 +838,8 @@ static void
> draw_rect_render(int fd, struct cmd_data *cmd_data,
>   * @buf_handle: the handle of the buffer where you're going to draw to
>   * @buf_size: the size of the buffer
>   * @buf_stride: the stride of the buffer
> + * @buf_width: the width of the buffer
> + * @buf_height: the height of the buffer
>   * @tiling: the tiling of the buffer
>   * @method: method you're going to use to write to the buffer
>   * @rect_x: horizontal position on the buffer where your rectangle starts @@ -
> 848,6 +854,7 @@ static void draw_rect_render(int fd, struct cmd_data
> *cmd_data,
>   */
>  void igt_draw_rect(int fd, struct buf_ops *bops, uint32_t ctx,
>  		   uint32_t buf_handle, uint32_t buf_size, uint32_t buf_stride,
> +		   int buf_width, int buf_height,
>  		   uint32_t tiling, enum igt_draw_method method,
>  		   int rect_x, int rect_y, int rect_w, int rect_h,
>  		   uint32_t color, int bpp)
> @@ -862,6 +869,8 @@ void igt_draw_rect(int fd, struct buf_ops *bops, uint32_t
> ctx,
>  		.handle = buf_handle,
>  		.size = buf_size,
>  		.stride = buf_stride,
> +		.width = buf_width,
> +		.height = buf_height,
>  		.bpp = bpp,
>  		.pat_index = intel_get_pat_idx_uc(fd),
>  	};
> @@ -925,6 +934,7 @@ void igt_draw_rect_fb(int fd, struct buf_ops *bops,
>  		      int rect_w, int rect_h, uint32_t color)  {
>  	igt_draw_rect(fd, bops, ctx, fb->gem_handle, fb->size, fb->strides[0],
> +		      fb->width, fb->height,
>  		      igt_fb_mod_to_tiling(fb->modifier), method,
>  		      rect_x, rect_y, rect_w, rect_h, color,
>  		      igt_drm_format_to_bpp(fb->drm_format));
> diff --git a/lib/igt_draw.h b/lib/igt_draw.h index fe7531b79..1dec95e86 100644
> --- a/lib/igt_draw.h
> +++ b/lib/igt_draw.h
> @@ -54,6 +54,7 @@ bool igt_draw_supports_method(int fd, enum
> igt_draw_method method);
> 
>  void igt_draw_rect(int fd, struct buf_ops *bops, uint32_t ctx,
>  		   uint32_t buf_handle, uint32_t buf_size, uint32_t buf_stride,
> +		   int buf_width, int buf_height,
>  		   uint32_t tiling, enum igt_draw_method method,
>  		   int rect_x, int rect_y, int rect_w, int rect_h,
>  		   uint32_t color, int bpp);
> diff --git a/tests/intel/kms_big_fb.c b/tests/intel/kms_big_fb.c index
> 3eb43515a..0bd79394b 100644
> --- a/tests/intel/kms_big_fb.c
> +++ b/tests/intel/kms_big_fb.c
> @@ -189,18 +189,17 @@ static struct intel_buf *init_buf(data_t *data,  {
>  	struct intel_buf *buf;
>  	enum intel_driver driver = buf_ops_get_driver(data->bops);
> -	uint32_t name, handle, tiling, stride, width, height, bpp, size;
> +	uint32_t name, handle, tiling, width, height, bpp, size;
>  	uint64_t region = driver == INTEL_DRIVER_XE ?
>  				vram_if_possible(data->drm_fd, 0) : -1;
> 
>  	igt_assert_eq(fb->offsets[0], 0);
> 
>  	tiling = igt_fb_mod_to_tiling(fb->modifier);
> -	stride = fb->strides[0];
>  	bpp = fb->plane_bpp[0];
>  	size = fb->size;
> -	width = stride / (bpp / 8);
> -	height = size / stride;
> +	width = fb->width;
> +	height = fb->height;
> 
>  	name = gem_flink(data->drm_fd, fb->gem_handle);
>  	handle = gem_open(data->drm_fd, name); diff --git
> a/tests/intel/kms_frontbuffer_tracking.c
> b/tests/intel/kms_frontbuffer_tracking.c
> index 2a2690d18..912cca3f8 100644
> --- a/tests/intel/kms_frontbuffer_tracking.c
> +++ b/tests/intel/kms_frontbuffer_tracking.c
> @@ -2242,6 +2242,7 @@ static void *busy_thread_func(void *data)
>  	while (!busy_thread.stop)
>  		igt_draw_rect(drm.fd, drm.bops, 0, busy_thread.handle,
>  			      busy_thread.size, busy_thread.stride,
> +			      busy_thread.width, busy_thread.height,
>  			      busy_thread.tiling, IGT_DRAW_BLT, 0, 0,
>  			      busy_thread.width, busy_thread.height,
>  			      busy_thread.color, busy_thread.bpp);
> --
> 2.43.0



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