[Intel-gfx] [PATCH i-g-t v2 08/12] tests/kms_atomic: stress possible fence settings

Brian Starkey brian.starkey at arm.com
Wed Dec 14 16:39:36 UTC 2016


Hi,

On Wed, Dec 14, 2016 at 04:05:05AM -0500, Robert Foss wrote:
>From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
>
>Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
>Signed-off-by: Robert Foss <robert.foss at collabora.com>
>---
> tests/kms_atomic.c | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 176 insertions(+), 10 deletions(-)
>
>diff --git a/tests/kms_atomic.c b/tests/kms_atomic.c
>index 8b648eba..a557ac60 100644
>--- a/tests/kms_atomic.c
>+++ b/tests/kms_atomic.c
>@@ -44,6 +44,7 @@
> #include "drmtest.h"
> #include "igt.h"
> #include "igt_aux.h"
>+#include "sw_sync.h"
>
> #ifndef DRM_CLIENT_CAP_ATOMIC
> #define DRM_CLIENT_CAP_ATOMIC 3
>@@ -126,6 +127,7 @@ struct kms_atomic_plane_state {
> 	uint32_t fb_id; /* 0 to disable */
> 	uint32_t src_x, src_y, src_w, src_h; /* 16.16 fixed-point */
> 	uint32_t crtc_x, crtc_y, crtc_w, crtc_h; /* normal integers */
>+	int32_t fence_fd;
> };
>
> struct kms_atomic_crtc_state {
>@@ -133,6 +135,7 @@ struct kms_atomic_crtc_state {
> 	uint32_t obj;
> 	int idx;
> 	bool active;
>+	uint64_t out_fence_ptr;
> 	struct kms_atomic_blob mode;
> };
>
>@@ -190,11 +193,13 @@ static uint32_t blob_duplicate(int fd, uint32_t id_orig)
> 	crtc_populate_req(crtc, req); \
> 	plane_populate_req(plane, req); \
> 	do_atomic_commit((crtc)->state->desc->fd, req, flags); \
>-	crtc_check_current_state(crtc, plane, relax); \
>-	plane_check_current_state(plane, relax); \
>+	if (!(flags & DRM_MODE_ATOMIC_TEST_ONLY)) { \
>+		crtc_check_current_state(crtc, plane, relax); \
>+		plane_check_current_state(plane, relax); \
>+	} \
> }
>
>-#define crtc_commit_atomic_err(crtc, plane, crtc_old, plane_old, req, relax, e) { \
>+#define crtc_commit_atomic_err(crtc, plane, crtc_old, plane_old, req, flags, relax, e) { \
> 	drmModeAtomicSetCursor(req, 0); \
> 	crtc_populate_req(crtc, req); \
> 	plane_populate_req(plane, req); \
>@@ -299,6 +304,9 @@ find_connector(struct kms_atomic_state *state,
> static void plane_populate_req(struct kms_atomic_plane_state *plane,
> 			       drmModeAtomicReq *req)
> {
>+	if (plane->fence_fd)
>+		plane_set_prop(req, plane, IGT_PLANE_IN_FENCE_FD, plane->fence_fd);
>+
> 	plane_set_prop(req, plane, IGT_PLANE_CRTC_ID, plane->crtc_id);
> 	plane_set_prop(req, plane, IGT_PLANE_FB_ID, plane->fb_id);
> 	plane_set_prop(req, plane, IGT_PLANE_SRC_X, plane->src_x);
>@@ -424,6 +432,10 @@ find_plane(struct kms_atomic_state *state, enum plane_type type,
> static void crtc_populate_req(struct kms_atomic_crtc_state *crtc,
> 			      drmModeAtomicReq *req)
> {
>+	if (crtc->out_fence_ptr)
>+		crtc_set_prop(req, crtc, IGT_CRTC_OUT_FENCE_PTR,
>+			      crtc->out_fence_ptr);
>+
> 	crtc_set_prop(req, crtc, IGT_CRTC_MODE_ID, crtc->mode.id);
> 	crtc_set_prop(req, crtc, IGT_CRTC_ACTIVE, crtc->active);
> }
>@@ -1052,6 +1064,37 @@ static void plane_invalid_params(struct kms_atomic_crtc_state *crtc,
> 	drmModeAtomicFree(req);
> }
>
>+static void plane_invalid_params_fence(struct kms_atomic_crtc_state *crtc,
>+				struct kms_atomic_plane_state *plane_old,
>+				struct kms_atomic_connector_state *conn)
>+{
>+	struct kms_atomic_plane_state plane = *plane_old;
>+	drmModeAtomicReq *req = drmModeAtomicAlloc();
>+	int timeline, fence_fd;
>+
>+	igt_require_sw_sync();
>+
>+	/* invalid fence fd */
>+	plane.fence_fd = plane.state->desc->fd;
>+	plane.crtc_id = plane_old->crtc_id;
>+	plane_commit_atomic_err(&plane, plane_old, req,
>+	                        ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* Valid fence_fd but invalid CRTC */
>+	timeline = sw_sync_timeline_create();
>+	fence_fd =  sw_sync_fence_create(timeline, 1);
>+	plane.fence_fd = fence_fd;
>+	plane.crtc_id = ~0U;
>+	plane_commit_atomic_err(&plane, plane_old, req,
>+	                        ATOMIC_RELAX_NONE, EINVAL);
>+
>+	plane.fence_fd = -1;
>+	close(fence_fd);
>+	close(timeline);
>+
>+	drmModeAtomicFree(req);
>+}
>+
> static void crtc_invalid_params(struct kms_atomic_crtc_state *crtc_old,
> 				struct kms_atomic_plane_state *plane,
> 				struct kms_atomic_connector_state *conn)
>@@ -1063,30 +1106,32 @@ static void crtc_invalid_params(struct kms_atomic_crtc_state *crtc_old,
>
> 	/* Pass a series of invalid object IDs for the mode ID. */
> 	crtc.mode.id = plane->obj;
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
> 	crtc.mode.id = crtc.obj;
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
> 	crtc.mode.id = conn->obj;
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
> 	crtc.mode.id = plane->fb_id;
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
>+	/* successful TEST_ONLY with fences set */
> 	crtc.mode.id = crtc_old->mode.id;
>-	crtc_commit_atomic(&crtc, plane, req, ATOMIC_RELAX_NONE, 0);
>+	crtc_commit_atomic(&crtc, plane, req, ATOMIC_RELAX_NONE,
>+			   DRM_MODE_ATOMIC_TEST_ONLY);
>
> 	/* Create a blob which is the wrong size to be a valid mode. */
> 	do_or_die(drmModeCreatePropertyBlob(crtc.state->desc->fd,
> 					    crtc.mode.data,
> 					    sizeof(struct drm_mode_modeinfo) - 1,
> 					    &crtc.mode.id));
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
>
>@@ -1094,15 +1139,107 @@ static void crtc_invalid_params(struct kms_atomic_crtc_state *crtc_old,
> 					    crtc.mode.data,
> 					    sizeof(struct drm_mode_modeinfo) + 1,
> 					    &crtc.mode.id));
>-	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
> 	                       ATOMIC_RELAX_NONE, EINVAL);
>
>+
> 	/* Restore the CRTC and check the state matches the old. */
> 	crtc_commit_atomic(crtc_old, plane, req, ATOMIC_RELAX_NONE, 0);
>
> 	drmModeAtomicFree(req);
> }
>
>+static void crtc_invalid_params_fence(struct kms_atomic_crtc_state *crtc_old,
>+				struct kms_atomic_plane_state *plane,
>+				struct kms_atomic_connector_state *conn)
>+{
>+	struct kms_atomic_crtc_state crtc = *crtc_old;
>+	drmModeAtomicReq *req = drmModeAtomicAlloc();
>+	int timeline, fence_fd, *out_fence;
>+
>+	igt_require_sw_sync();
>+
>+	/* invalid out_fence_ptr */
>+	crtc.mode.id = crtc_old->mode.id;
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) crtc_invalid_params;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
>+	                       ATOMIC_RELAX_NONE, EFAULT);
>+
>+	/* invalid out_fence_ptr */
>+	crtc.mode.id = crtc_old->mode.id;
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) 0x8;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
>+	                       ATOMIC_RELAX_NONE, EFAULT);
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) 0;
>+
>+	/* valid in fence but not allowed prop on crtc */
>+	timeline = sw_sync_timeline_create();
>+	fence_fd =  sw_sync_fence_create(timeline, 1);
>+	plane->fence_fd = fence_fd;
>+	crtc.active = false;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	out_fence = malloc(sizeof(uint64_t));
>+	igt_assert(out_fence);
>+
>+
>+	/* valid out fence ptr and flip event but not allowed prop on crtc */
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) out_fence;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* valid out fence ptr and flip event but not allowed prop on crtc */
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+			       DRM_MODE_PAGE_FLIP_EVENT,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* valid page flip event but not allowed prop on crtc */
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) 0;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+			       DRM_MODE_PAGE_FLIP_EVENT,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+	crtc.active = true;
>+
>+	/* valid out fence  ptr and flip event but invalid prop on crtc */
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) out_fence;
>+	crtc.mode.id = plane->fb_id;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req, 0,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* valid out fence ptr and flip event but invalid prop on crtc */
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+			       DRM_MODE_PAGE_FLIP_EVENT,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* valid page flip event but invalid prop on crtc */
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) 0;
>+	crtc_commit_atomic_err(&crtc, plane, crtc_old, plane, req,
>+			       DRM_MODE_PAGE_FLIP_EVENT,
>+			       ATOMIC_RELAX_NONE, EINVAL);
>+
>+	/* successful TEST_ONLY with fences set */
>+	plane->fence_fd = fence_fd;
>+	crtc.mode.id = crtc_old->mode.id;
>+	crtc_commit_atomic(&crtc, plane, req, ATOMIC_RELAX_NONE,
>+			   DRM_MODE_ATOMIC_TEST_ONLY);
>+	igt_assert(*out_fence == -1);
>+	close(fence_fd);
>+	close(timeline);
>+
>+	/* reset fences */
>+	plane->fence_fd = -1;
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) 0;
>+	crtc_commit_atomic(&crtc, plane, req, ATOMIC_RELAX_NONE, 0);
>+
>+	/* out fence ptr but not page flip event */
>+	crtc.out_fence_ptr = (uint64_t)(uintptr_t) out_fence;
>+	crtc_commit_atomic(crtc_old, plane, req, ATOMIC_RELAX_NONE, 0);

What are the previous two commits for? They don't seem to be invalid.

>+
>+	free(out_fence);

Need to close(*out_fence) before freeing it?

-Brian

>+	drmModeAtomicFree(req);
>+}
>+
> /* Abuse the atomic ioctl directly in order to test various invalid conditions,
>  * which the libdrm wrapper won't allow us to create. */
> static void atomic_invalid_params(struct kms_atomic_crtc_state *crtc,
>@@ -1306,6 +1443,20 @@ igt_main
> 		atomic_state_free(scratch);
> 	}
>
>+	igt_subtest("plane_invalid_params_fence") {
>+		struct kms_atomic_state *scratch = atomic_state_dup(current);
>+		struct kms_atomic_crtc_state *crtc = find_crtc(scratch, true);
>+		struct kms_atomic_plane_state *plane =
>+			find_plane(current, PLANE_TYPE_PRIMARY, crtc);
>+		struct kms_atomic_connector_state *conn =
>+			find_connector(scratch, crtc);
>+
>+		igt_require(crtc);
>+		igt_require(plane);
>+		plane_invalid_params_fence(crtc, plane, conn);
>+		atomic_state_free(scratch);
>+	}
>+
> 	igt_subtest("crtc_invalid_params") {
> 		struct kms_atomic_state *scratch = atomic_state_dup(current);
> 		struct kms_atomic_crtc_state *crtc = find_crtc(scratch, true);
>@@ -1321,6 +1472,21 @@ igt_main
> 		atomic_state_free(scratch);
> 	}
>
>+	igt_subtest("crtc_invalid_params_fence") {
>+		struct kms_atomic_state *scratch = atomic_state_dup(current);
>+		struct kms_atomic_crtc_state *crtc = find_crtc(scratch, true);
>+		struct kms_atomic_plane_state *plane =
>+			find_plane(scratch, NUM_PLANE_TYPE_PROPS, crtc);
>+		struct kms_atomic_connector_state *conn =
>+			find_connector(scratch, crtc);
>+
>+		igt_require(crtc);
>+		igt_require(plane);
>+		igt_require(conn);
>+		crtc_invalid_params_fence(crtc, plane, conn);
>+		atomic_state_free(scratch);
>+	}
>+
> 	igt_subtest("atomic_invalid_params") {
> 		struct kms_atomic_state *scratch = atomic_state_dup(current);
> 		struct kms_atomic_crtc_state *crtc = find_crtc(scratch, true);
>-- 
>2.11.0
>


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