[igt-dev] [PATCH i-g-t 1/2] tests/kms_rotation_crc: reduce executions time on multiplane tests

Karthik B S karthik.b.s at intel.com
Tue Mar 2 11:13:13 UTC 2021


On 2/18/2021 9:44 PM, Juha-Pekka Heikkila wrote:
> Reduce repetitive work and wait less. Buffer created fbs. Log counted crcs.
>
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

Looks good to me.

Reviewed-by: Karthik B S <karthik.b.s at intel.com>

> ---
>   tests/kms_rotation_crc.c | 235 +++++++++++++++++++++++++++------------
>   1 file changed, 165 insertions(+), 70 deletions(-)
>
> diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
> index 6d4e87ed9..6233c773a 100644
> --- a/tests/kms_rotation_crc.c
> +++ b/tests/kms_rotation_crc.c
> @@ -31,6 +31,8 @@
>   #define TEST_MAX_WIDTH 640
>   #define TEST_MAX_HEIGHT 480
>   #define MAX_TESTED_MODES 8
> +#define MULTIPLANE_REFERENCE 0
> +#define MULTIPLANE_ROTATED 1
>   
>   struct p_struct {
>   	igt_plane_t *plane;
> @@ -522,26 +524,19 @@ static void test_plane_rotation(data_t *data, int plane_type, bool test_bad_form
>   
>   typedef struct {
>   	int32_t x1, y1;
> -	uint64_t width, height, tiling, planetype, format;
> +	uint64_t width, height, tiling, format;
> +	igt_plane_t *plane;
>   	igt_rotation_t rotation_sw, rotation_hw;
>   } planeinfos;
>   
> -static bool get_multiplane_crc(data_t *data, igt_output_t *output,
> -			       igt_crc_t *crc_output, planeinfos *planeinfo,
> -			       int numplanes)
> +static bool setup_multiplane(data_t *data, planeinfos *planeinfo,
> +			     struct igt_fb *fbleft,  struct igt_fb *fbright)
>   {
>   	uint32_t w, h;
> -	igt_display_t *display = &data->display;
> -	struct p_struct *planes, *oldplanes;
> -	int c, ret;
> -
> -	oldplanes = data->multiplaneoldview;
> -	planes = calloc(sizeof(*planes), numplanes);
> -
> -	for (c = 0; c < numplanes; c++) {
> -		planes[c].plane = igt_output_get_plane_type(output,
> -							    planeinfo[c].planetype);
> +	struct igt_fb *planes[2] = {fbleft, fbright};
> +	int c;
>   
> +	for (c = 0; c < ARRAY_SIZE(planes); c++) {
>   		/*
>   		 * make plane and fb width and height always divisible by 4
>   		 * due to NV12 support and Intel hw workarounds.
> @@ -552,34 +547,33 @@ static bool get_multiplane_crc(data_t *data, igt_output_t *output,
>   		if (planeinfo[c].rotation_sw & (IGT_ROTATION_90 | IGT_ROTATION_270))
>   			igt_swap(w, h);
>   
> -		if (!igt_plane_has_format_mod(planes[c].plane,
> +		if (!igt_plane_has_format_mod(planeinfo[c].plane,
>   					      planeinfo[c].format,
>   					      planeinfo[c].tiling))
>   			return false;
>   
> -		igt_create_fb(data->gfx_fd, w, h, planeinfo[c].format,
> -			      planeinfo[c].tiling, &planes[c].fb);
> +		/*
> +		 * was this hw/sw rotation ran already or need to create
> +		 * new fb?
> +		 */
> +		if (planes[c]->fb_id == 0) {
> +			igt_create_fb(data->gfx_fd, w, h, planeinfo[c].format,
> +				      planeinfo[c].tiling, planes[c]);
>   
> -		paint_squares(data, planeinfo[c].rotation_sw, &planes[c].fb, 1.0f);
> -		igt_plane_set_fb(planes[c].plane, &planes[c].fb);
> +			paint_squares(data, planeinfo[c].rotation_sw,
> +				      planes[c], 1.0f);
> +		}
> +		igt_plane_set_fb(planeinfo[c].plane, planes[c]);
>   
>   		if (planeinfo[c].rotation_hw & (IGT_ROTATION_90 | IGT_ROTATION_270))
> -			igt_plane_set_size(planes[c].plane, h, w);
> -
> -		igt_plane_set_position(planes[c].plane, planeinfo[c].x1, planeinfo[c].y1);
> -		igt_plane_set_rotation(planes[c].plane, planeinfo[c].rotation_hw);
> -	}
> -
> -	ret = igt_display_try_commit2(display, COMMIT_ATOMIC);
> -	igt_assert_eq(ret, 0);
> -
> -	igt_pipe_crc_get_current(data->gfx_fd, data->pipe_crc, crc_output);
> +			igt_plane_set_size(planeinfo[c].plane, h, w);
>   
> -	for (c = 0; c < numplanes && oldplanes; c++)
> -		igt_remove_fb(data->gfx_fd, &oldplanes[c].fb);
> +		igt_plane_set_position(planeinfo[c].plane, planeinfo[c].x1,
> +				       planeinfo[c].y1);
>   
> -	free(oldplanes);
> -	data->multiplaneoldview = (void*)planes;
> +		igt_plane_set_rotation(planeinfo[c].plane,
> +				       planeinfo[c].rotation_hw);
> +	}
>   	return true;
>   }
>   
> @@ -613,6 +607,11 @@ static void pointlocation(data_t *data, planeinfos *p, drmModeModeInfo *mode,
>   	}
>   }
>   
> +/*
> + * count trailing zeroes
> + */
> +#define ctz __builtin_ctz
> +
>   /*
>    * Here is pipe parameter which is now used only for first pipe.
>    * It is left here if this test ever was wanted to be run on
> @@ -624,15 +623,26 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   	igt_output_t *output;
>   	igt_crc_t retcrc_sw, retcrc_hw;
>   	planeinfos p[2];
> -	int c, used_w, used_h;
> -	struct p_struct *oldplanes;
> +	int used_w, used_h, lastroundirotation = 0, lastroundjrotation = 0,
> +	    lastroundjformat = 0, c, d;
>   	drmModeModeInfo *mode;
> +	bool have_crc; // flag if can use previously logged crc for comparison
> +	igt_crc_t crclog[16] = {}; //4 * 4 rotation crc storage for packed formats
> +	char *str1, *str2; // for debug printouts
> +
> +	/*
> +	 * These are those modes which are tested. For testing feel interesting
> +	 * case with tiling are 2 bpp, 4 bpp and NV12.
> +	 */
> +	static const uint32_t formatlist[] = {DRM_FORMAT_RGB565,
> +		DRM_FORMAT_XRGB8888, DRM_FORMAT_NV12};
>   
> -	static const struct {
> +	static struct {
>   		igt_rotation_t rotation;
>   		float_t width;
>   		float_t height;
>   		uint64_t tiling;
> +		struct igt_fb fbs[ARRAY_SIZE(formatlist)][2];
>   	} planeconfigs[] = {
>   	{IGT_ROTATION_0, .2f, .4f, LOCAL_DRM_FORMAT_MOD_NONE },
>   	{IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_X_TILED },
> @@ -648,15 +658,8 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   	{IGT_ROTATION_270, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED },
>   	};
>   
> -	/*
> -	* These are those modes which are tested. For testing feel interesting
> -	* case with tiling are 2 bpp, 4 bpp and NV12.
> -	*/
> -	static const uint32_t formatlist[] = {DRM_FORMAT_RGB565,
> -		DRM_FORMAT_XRGB8888, DRM_FORMAT_NV12};
> -
>   	for_each_valid_output_on_pipe(display, pipe, output) {
> -		int i, j, k, l;
> +		int i, j, k, l, flipsw, fliphw;
>   		igt_output_set_pipe(output, pipe);
>   		mode = igt_output_get_mode(output);
>   		igt_display_require_output(display);
> @@ -665,12 +668,14 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   		used_w = min(TEST_MAX_WIDTH, mode->hdisplay);
>   		used_h = min(TEST_MAX_HEIGHT, mode->vdisplay);
>   
> +		p[0].plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> +		p[1].plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_OVERLAY);
> +
>   		data->pipe_crc = igt_pipe_crc_new(data->gfx_fd, pipe,
>   						  INTEL_PIPE_CRC_SOURCE_AUTO);
>   		igt_pipe_crc_start(data->pipe_crc);
>   
>   		for (i = 0; i < ARRAY_SIZE(planeconfigs); i++) {
> -			p[0].planetype = DRM_PLANE_TYPE_PRIMARY;
>   			p[0].width = (uint64_t)(planeconfigs[i].width * used_w);
>   			p[0].height = (uint64_t)(planeconfigs[i].height * used_h);
>   			p[0].tiling = planeconfigs[i].tiling;
> @@ -680,7 +685,6 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   				p[0].format = formatlist[k];
>   
>   				for (j = 0; j < ARRAY_SIZE(planeconfigs); j++) {
> -					p[1].planetype = DRM_PLANE_TYPE_OVERLAY;
>   					p[1].width = (uint64_t)(planeconfigs[j].width * used_w);
>   					p[1].height = (uint64_t)(planeconfigs[j].height * used_h);
>   					p[1].tiling = planeconfigs[j].tiling;
> @@ -689,7 +693,6 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   
>   					for (l = 0; l < ARRAY_SIZE(formatlist); l++) {
>   						p[1].format = formatlist[l];
> -
>   						/*
>   						 * RGB565 90/270 degrees rotation is supported
>   						 * from gen11 onwards.
> @@ -703,42 +706,134 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
>   						     (planeconfigs[j].rotation & (IGT_ROTATION_90 | IGT_ROTATION_270))
>   						     && intel_gen(data->devid) < 11)
>   							continue;
> +						/*
> +						 * if using packed formats crc's will be
> +						 * same and can store them so there's
> +						 * no need to redo comparison image and
> +						 * just use stored crc.
> +						 */
> +						if (p[0].format != DRM_FORMAT_NV12 &&
> +						    p[1].format != DRM_FORMAT_NV12 &&
> +						    crclog[ctz(planeconfigs[i].rotation) | (ctz(planeconfigs[j].rotation) << 2)].frame != 0) {
> +							retcrc_sw = crclog[ctz(planeconfigs[i].rotation) | (ctz(planeconfigs[j].rotation) << 2)];
> +							have_crc = true;
> +						} else if (p[0].format == DRM_FORMAT_NV12 &&
> +							   p[1].format != DRM_FORMAT_NV12 &&
> +							   lastroundjformat != DRM_FORMAT_NV12 &&
> +							   planeconfigs[i].rotation == lastroundirotation &&
> +							   planeconfigs[j].rotation == lastroundjrotation) {
> +							/*
> +							 * With NV12 can benefit from
> +							 * previous crc if rotations
> +							 * stay same. If both planes
> +							 * have NV12 in use we need to
> +							 * skip that case.
> +							 * If last round right plane
> +							 * had NV12 need to skip this.
> +							 */
> +							have_crc = true;
> +						} else {
> +							/*
> +							 * here will be created
> +							 * comparison image and get crc
> +							 * if didn't have stored crc
> +							 * or planar format is in use.
> +							 * have_crc flag will control
> +							 * crc comparison part.
> +							 */
> +							p[0].rotation_sw = planeconfigs[i].rotation;
> +							p[0].rotation_hw = IGT_ROTATION_0;
> +							p[1].rotation_sw = planeconfigs[j].rotation;
> +							p[1].rotation_hw = IGT_ROTATION_0;
> +							if (!setup_multiplane(data,
> +									(planeinfos *)&p,
> +									&planeconfigs[i].fbs[k][MULTIPLANE_REFERENCE],
> +									&planeconfigs[j].fbs[l][MULTIPLANE_REFERENCE]))
> +								continue;
> +							igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> +							flipsw = kmstest_get_vblank(data->gfx_fd, pipe, 0) + 1;
> +							have_crc = false;
> +						}
>   
> -						p[0].rotation_sw = planeconfigs[i].rotation;
> -						p[0].rotation_hw = IGT_ROTATION_0;
> -						p[1].rotation_sw = planeconfigs[j].rotation;
> -						p[1].rotation_hw = IGT_ROTATION_0;
> -						if (!get_multiplane_crc(data, output, &retcrc_sw,
> -								   (planeinfos *)&p, MAXMULTIPLANESAMOUNT))
> +						/*
> +						 * create hw rotated image and
> +						 * get vblank where interesting
> +						 * crc will be at, grab crc bit later
> +						 */
> +						p[0].rotation_sw = IGT_ROTATION_0;
> +						p[0].rotation_hw = planeconfigs[i].rotation;
> +						p[1].rotation_sw = IGT_ROTATION_0;
> +						p[1].rotation_hw = planeconfigs[j].rotation;
> +
> +						if (!setup_multiplane(data,
> +								      (planeinfos *)&p,
> +								      &planeconfigs[i].fbs[k][MULTIPLANE_ROTATED],
> +								      &planeconfigs[j].fbs[l][MULTIPLANE_ROTATED]))
>   							continue;
>   
> -						igt_swap(p[0].rotation_sw, p[0].rotation_hw);
> -						igt_swap(p[1].rotation_sw, p[1].rotation_hw);
> -						if (!get_multiplane_crc(data, output, &retcrc_hw,
> -								   (planeinfos *)&p, MAXMULTIPLANESAMOUNT))
> -							continue;
> +						igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> +						fliphw = kmstest_get_vblank(data->gfx_fd, pipe, 0) + 1;
> +
> +						if (!have_crc) {
> +							igt_pipe_crc_get_for_frame(data->gfx_fd,
> +										   data->pipe_crc,
> +										   flipsw,
> +										   &retcrc_sw);
> +
> +							if (p[0].format != DRM_FORMAT_NV12 && p[1].format != DRM_FORMAT_NV12)
> +								crclog[ctz(planeconfigs[i].rotation) | (ctz(planeconfigs[j].rotation) << 2)]
> +								= retcrc_sw;
> +						}
> +						igt_pipe_crc_get_for_frame(data->gfx_fd, data->pipe_crc, fliphw, &retcrc_hw);
> +
> +						str1 = igt_crc_to_string(&retcrc_sw);
> +						str2 = igt_crc_to_string(&retcrc_hw);
> +
> +						igt_debug("crc %.8s vs %.8s -- %.4s - %.4s crc buffered:%s rot1 %d rot2 %d\n",
> +							str1, str2,
> +							(char *) &p[0].format, (char *) &p[1].format,
> +							have_crc?"yes":" no",
> +							(int[]) {0, 90, 180, 270} [ctz(planeconfigs[i].rotation)],
> +							(int[]) {0, 90, 180, 270} [ctz(planeconfigs[j].rotation)]);
> +
> +						free(str1);
> +						free(str2);
> +
>   
>   						igt_assert_crc_equal(&retcrc_sw, &retcrc_hw);
> +
> +						lastroundjformat = p[1].format;
> +						lastroundirotation = planeconfigs[i].rotation;
> +						lastroundjrotation = planeconfigs[j].rotation;
>   					}
>   				}
>   			}
>   		}
>   		igt_pipe_crc_stop(data->pipe_crc);
>   		igt_pipe_crc_free(data->pipe_crc);
> -		igt_output_set_pipe(output, PIPE_ANY);
> -	}
>   
> -	/*
> -	* Old fbs are deleted only after new ones are set on planes.
> -	* This is done to speed up the test
> -	*/
> -	oldplanes = data->multiplaneoldview;
> -	for (c = 0; c < MAXMULTIPLANESAMOUNT && oldplanes; c++)
> -		igt_remove_fb(data->gfx_fd, &oldplanes[c].fb);
> -
> -	free(oldplanes);
> -	data->multiplaneoldview = NULL;
> +		igt_plane_set_fb(p[0].plane, NULL);
> +		igt_plane_set_fb(p[1].plane, NULL);
> +		igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> +
> +		for (i = 0; i < ARRAY_SIZE(crclog); i++)
> +			crclog[i].frame = 0;
> +
> +		lastroundjformat = 0;
> +		lastroundirotation = 0;
> +		lastroundjrotation = 0;
> +
> +
> +		igt_output_set_pipe(output, PIPE_NONE);
> +	}
>   	data->pipe_crc = NULL;
> +
> +	for (c = 0; c < ARRAY_SIZE(planeconfigs); c++) {
> +		for  (d = 0; d < ARRAY_SIZE(formatlist); d++) {
> +			igt_remove_fb(data->gfx_fd, &planeconfigs[c].fbs[d][MULTIPLANE_REFERENCE]);
> +			igt_remove_fb(data->gfx_fd, &planeconfigs[c].fbs[d][MULTIPLANE_ROTATED]);
> +		}
> +	}
>   }
>   
>   static void test_plane_rotation_exhaust_fences(data_t *data,




More information about the igt-dev mailing list