[igt-dev] [PATCH 0/8] Add GetFB2 ioctl

[igt-dev] [PATCH 0/8] Add GetFB2 ioctl

[Daniel Stone]

Hi,
AddFB is single-planar, with no offset and only depth/bpp rather than
an explicit format, so we now have AddFB2 which can carry multiple
planes, an explicit format and also a modifier. At the time we never
actually did GetFB2 to go with GetFB.

This submission rights that historical wrong, which allows Xorg
-background none to continue to work in the face of exotic buffers.
I've written patches to Xorg to use this as UABI verification, and
I'll post a link to that very shortly.

This is also available in git form, in the wip/2018-03/getfb2 branches of:
    https://gitlab.collabora.com/daniels/linux
    https://gitlab.collabora.com/daniels/libdrm
    https://gitlab.collabora.com/daniels/igt-gpu-tools
    https://gitlab.collabora.com/daniels/xserver

Note that the kernel tree is based on top of drm-tip, and has a bunch
of patches to convert drivers to placing objects (rather than creating
handles). At the moment this is just missing amdgpu and nouveau to
complete the set of drivers, and also any testing whatsoever; I'm
sending a patch to convert Intel as that's what I've actually tested
on.

The conversion is necessary since GetFB2 ensures that it does _not_
return duplicate handles if multiple planes of a single buffer share
the same BO. This is impossible if we just use create_handle from the
driver, so instead we just rely on drivers placing the GEM object
pointers in the drm_framebuffer directly. This has the added advantage
of cleaning up a ton of unnecessary code in drivers.

Cheers,
Daniel
_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

[igt-dev] [PATCH i-g-t 1/3] tests/kms_getfb: Split property-ID get into helper

[Daniel Stone]

We'll want to reuse this, so split it out into a (smaller!) helper.

Signed-off-by: Daniel Stone <daniels@collabora.com>
---
 tests/kms_getfb.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
index c5968e75..a9852626 100644
--- a/tests/kms_getfb.c
+++ b/tests/kms_getfb.c
@@ -72,6 +72,23 @@ static void get_ccs_fb(int fd, struct drm_mode_fb_cmd2 *ret)
 		gem_close(fd, add.handles[0]);
 }
 
+/**
+ * Find and return an arbitrary valid property ID.
+ */
+static uint32_t get_prop_id(int fd)
+{
+	igt_display_t display;
+
+	igt_display_init(&display, fd);
+	for (int i = 0; i < display.n_outputs; i++) {
+		igt_output_t *output = &display.outputs[i];
+		if (output->props[IGT_CONNECTOR_DPMS] != 0)
+			return output->props[IGT_CONNECTOR_DPMS];
+	}
+
+	return 0;
+}
+
 static void test_handle_input(int fd)
 {
 	struct drm_mode_fb_cmd2 add = {};
@@ -111,23 +128,8 @@ static void test_handle_input(int fd)
 	}
 
 	igt_subtest("getfb-handle-not-fb") {
-		struct drm_mode_fb_cmd get = { };
-		uint32_t prop_id = 0;
-		igt_display_t display;
-
-		/* Find a valid property ID to use. */
-		igt_display_init(&display, fd);
-		for (int i = 0; i < display.n_outputs; i++) {
-			igt_output_t *output = &display.outputs[i];
-
-			if (output->props[IGT_CONNECTOR_DPMS] != 0) {
-				prop_id = output->props[IGT_CONNECTOR_DPMS];
-				break;
-			}
-		}
-		igt_require(prop_id > 0);
-
-		get.fb_id = prop_id;
+		struct drm_mode_fb_cmd get = { .fb_id = get_prop_id(fd) };
+		igt_require(get.fb_id > 0);
 		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
 	}
 }
-- 
2.16.2

_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

[PATCH i-g-t 2/3] NOMERGE: Update DRM UAPI to latest kernel version

[Daniel Stone]

This depends on unmerged kernel code, so.
---
 include/drm-uapi/amdgpu_drm.h  | 1 +
 include/drm-uapi/drm.h         | 1 +
 include/drm-uapi/drm_mode.h    | 9 ++++++---
 include/drm-uapi/etnaviv_drm.h | 1 +
 include/drm-uapi/msm_drm.h     | 9 ++++++++-
 include/drm-uapi/virtgpu_drm.h | 1 +
 6 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/include/drm-uapi/amdgpu_drm.h b/include/drm-uapi/amdgpu_drm.h
index 1816bd82..528f6d04 100644
--- a/include/drm-uapi/amdgpu_drm.h
+++ b/include/drm-uapi/amdgpu_drm.h
@@ -806,6 +806,7 @@ struct drm_amdgpu_info_firmware {
 #define AMDGPU_VRAM_TYPE_GDDR5 5
 #define AMDGPU_VRAM_TYPE_HBM   6
 #define AMDGPU_VRAM_TYPE_DDR3  7
+#define AMDGPU_VRAM_TYPE_DDR4  8
 
 struct drm_amdgpu_info_device {
 	/** PCI Device ID */
diff --git a/include/drm-uapi/drm.h b/include/drm-uapi/drm.h
index f0bd91de..c0a35878 100644
--- a/include/drm-uapi/drm.h
+++ b/include/drm-uapi/drm.h
@@ -886,6 +886,7 @@ extern "C" {
 #define DRM_IOCTL_MODE_LIST_LESSEES	DRM_IOWR(0xC7, struct drm_mode_list_lessees)
 #define DRM_IOCTL_MODE_GET_LEASE	DRM_IOWR(0xC8, struct drm_mode_get_lease)
 #define DRM_IOCTL_MODE_REVOKE_LEASE	DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
+#define DRM_IOCTL_MODE_GETFB2		DRM_IOWR(0xCA, struct drm_mode_fb_cmd2)
 
 /**
  * Device specific ioctls should only be in their respective headers
diff --git a/include/drm-uapi/drm_mode.h b/include/drm-uapi/drm_mode.h
index 2c575794..50bcf421 100644
--- a/include/drm-uapi/drm_mode.h
+++ b/include/drm-uapi/drm_mode.h
@@ -363,7 +363,7 @@ struct drm_mode_get_connector {
 	__u32 pad;
 };
 
-#define DRM_MODE_PROP_PENDING	(1<<0)
+#define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
 #define DRM_MODE_PROP_RANGE	(1<<1)
 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
@@ -598,8 +598,11 @@ struct drm_mode_crtc_lut {
 };
 
 struct drm_color_ctm {
-	/* Conversion matrix in S31.32 format. */
-	__s64 matrix[9];
+	/*
+	 * Conversion matrix in S31.32 sign-magnitude
+	 * (not two's complement!) format.
+	 */
+	__u64 matrix[9];
 };
 
 struct drm_color_lut {
diff --git a/include/drm-uapi/etnaviv_drm.h b/include/drm-uapi/etnaviv_drm.h
index e9b997a0..71958c80 100644
--- a/include/drm-uapi/etnaviv_drm.h
+++ b/include/drm-uapi/etnaviv_drm.h
@@ -145,6 +145,7 @@ struct drm_etnaviv_gem_submit_reloc {
  */
 #define ETNA_SUBMIT_BO_READ             0x0001
 #define ETNA_SUBMIT_BO_WRITE            0x0002
+#define ETNA_SUBMIT_BO_NO_IMPLICIT      0x0004
 struct drm_etnaviv_gem_submit_bo {
 	__u32 flags;          /* in, mask of ETNA_SUBMIT_BO_x */
 	__u32 handle;         /* in, GEM handle */
diff --git a/include/drm-uapi/msm_drm.h b/include/drm-uapi/msm_drm.h
index bbbaffad..57a67fb3 100644
--- a/include/drm-uapi/msm_drm.h
+++ b/include/drm-uapi/msm_drm.h
@@ -188,8 +188,13 @@ struct drm_msm_gem_submit_cmd {
  */
 #define MSM_SUBMIT_BO_READ             0x0001
 #define MSM_SUBMIT_BO_WRITE            0x0002
+#define MSM_SUBMIT_BO_NO_IMPLICIT      0x0004 /* disable implicit sync */
 
-#define MSM_SUBMIT_BO_FLAGS            (MSM_SUBMIT_BO_READ | MSM_SUBMIT_BO_WRITE)
+#define MSM_SUBMIT_BO_FLAGS			( \
+		MSM_SUBMIT_BO_READ		| \
+		MSM_SUBMIT_BO_WRITE		| \
+		MSM_SUBMIT_BO_NO_IMPLICIT	| \
+		0)
 
 struct drm_msm_gem_submit_bo {
 	__u32 flags;          /* in, mask of MSM_SUBMIT_BO_x */
@@ -201,10 +206,12 @@ struct drm_msm_gem_submit_bo {
 #define MSM_SUBMIT_NO_IMPLICIT   0x80000000 /* disable implicit sync */
 #define MSM_SUBMIT_FENCE_FD_IN   0x40000000 /* enable input fence_fd */
 #define MSM_SUBMIT_FENCE_FD_OUT  0x20000000 /* enable output fence_fd */
+#define MSM_SUBMIT_SUDO          0x10000000 /* run submitted cmds from RB */
 #define MSM_SUBMIT_FLAGS                ( \
 		MSM_SUBMIT_NO_IMPLICIT   | \
 		MSM_SUBMIT_FENCE_FD_IN   | \
 		MSM_SUBMIT_FENCE_FD_OUT  | \
+		MSM_SUBMIT_SUDO          | \
 		0)
 
 /* Each cmdstream submit consists of a table of buffers involved, and
diff --git a/include/drm-uapi/virtgpu_drm.h b/include/drm-uapi/virtgpu_drm.h
index 91a31ffe..9a781f06 100644
--- a/include/drm-uapi/virtgpu_drm.h
+++ b/include/drm-uapi/virtgpu_drm.h
@@ -63,6 +63,7 @@ struct drm_virtgpu_execbuffer {
 };
 
 #define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */
+#define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */
 
 struct drm_virtgpu_getparam {
 	__u64 param;
-- 
2.16.2

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[igt-dev] [PATCH i-g-t 3/3] tests/kms_getfb: Add getfb2 tests

[Daniel Stone]

Mirroring addfb2, add tests for the new ioctl which will return us
information about framebuffers containing multiple buffers, as well as
modifiers.

Signed-off-by: Daniel Stone <daniels@collabora.com>
---
 tests/kms_getfb.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
index a9852626..b8583694 100644
--- a/tests/kms_getfb.c
+++ b/tests/kms_getfb.c
@@ -186,7 +186,96 @@ static void test_duplicate_handles(int fd)
 		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
 		gem_close(fd, add.handles[0]);
 	}
+}
+
+static void test_getfb2(int fd)
+{
+	struct drm_mode_fb_cmd2 add_basic = {};
+
+	igt_fixture {
+		struct drm_mode_fb_cmd2 get = {};
+
+		add_basic.width = 1024;
+		add_basic.height = 1024;
+		add_basic.pixel_format = DRM_FORMAT_XRGB8888;
+		add_basic.pitches[0] = 1024*4;
+		add_basic.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
+			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
+		igt_assert(add_basic.handles[0]);
+		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add_basic);
+
+		get.fb_id = add_basic.fb_id;
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB2, &get);
+		igt_assert_neq_u32(get.handles[0], 0);
+		gem_close(fd, get.handles[0]);
+	}
+
+	igt_subtest("getfb2-handle-zero") {
+		struct drm_mode_fb_cmd2 get = {};
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB2, &get, ENOENT);
+	}
+
+	igt_subtest("getfb2-handle-closed") {
+		struct drm_mode_fb_cmd2 add = add_basic;
+		struct drm_mode_fb_cmd2 get = { };
+
+		add.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
+			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
+		igt_assert(add.handles[0]);
+		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add);
+		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
 
+		get.fb_id = add.fb_id;
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB2, &get, ENOENT);
+		gem_close(fd, add.handles[0]);
+	}
+
+	igt_subtest("getfb2-handle-not-fb") {
+		struct drm_mode_fb_cmd get = { .fb_id = get_prop_id(fd) };
+		igt_require(get.fb_id > 0);
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
+	}
+
+	igt_subtest("getfb2-accept-ccs") {
+		struct drm_mode_fb_cmd2 add_ccs = { };
+		struct drm_mode_fb_cmd2 get = { };
+		int i;
+
+		get_ccs_fb(fd, &add_ccs);
+		igt_require(add_ccs.fb_id != 0);
+		get.fb_id = add_ccs.fb_id;
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB2, &get);
+
+		igt_assert_eq_u32(get.width, add_ccs.width);
+		igt_assert_eq_u32(get.height, add_ccs.height);
+		igt_assert(get.flags & DRM_MODE_FB_MODIFIERS);
+
+		for (i = 0; i < ARRAY_SIZE(get.handles); i++) {
+			igt_assert_eq_u32(get.pitches[i], add_ccs.pitches[i]);
+			igt_assert_eq_u32(get.offsets[i], add_ccs.offsets[i]);
+			if (add_ccs.handles[i] != 0) {
+				igt_assert_neq_u32(get.handles[i], 0);
+				igt_assert_neq_u32(get.handles[i],
+						   add_ccs.handles[i]);
+				igt_assert_eq_u64(get.modifier[i],
+						  add_ccs.modifier[i]);
+			} else {
+				igt_assert_eq_u32(get.handles[i], 0);
+				igt_assert_eq_u64(get.modifier[i],
+						  DRM_FORMAT_MOD_INVALID);
+			}
+		}
+		igt_assert_eq_u32(get.handles[0], get.handles[1]);
+
+		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &get.fb_id);
+		gem_close(fd, add_ccs.handles[0]);
+		gem_close(fd, get.handles[0]);
+	}
+
+	igt_fixture {
+		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add_basic.fb_id);
+		gem_close(fd, add_basic.handles[0]);
+	}
 }
 
 igt_main
@@ -200,6 +289,8 @@ igt_main
 
 	test_duplicate_handles(fd);
 
+	test_getfb2(fd);
+
 	igt_fixture
 		close(fd);
 }
-- 
2.16.2

_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

Re: [igt-dev] [PATCH i-g-t 3/3] tests/kms_getfb: Add getfb2 tests

[Ville Syrjälä]

On Fri, Mar 23, 2018 at 01:46:16PM +0000, Daniel Stone wrote:
> Mirroring addfb2, add tests for the new ioctl which will return us
> information about framebuffers containing multiple buffers, as well as
> modifiers.

lgtm
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Maybe we also want to encode my earlier 'getfb2(&cmd); addfb2(&cmd);'
idea into a test?

> 
> Signed-off-by: Daniel Stone <daniels@collabora.com>
> ---
>  tests/kms_getfb.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 91 insertions(+)
> 
> diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
> index a9852626..b8583694 100644
> --- a/tests/kms_getfb.c
> +++ b/tests/kms_getfb.c
> @@ -186,7 +186,96 @@ static void test_duplicate_handles(int fd)
>  		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
>  		gem_close(fd, add.handles[0]);
>  	}
> +}
> +
> +static void test_getfb2(int fd)
> +{
> +	struct drm_mode_fb_cmd2 add_basic = {};
> +
> +	igt_fixture {
> +		struct drm_mode_fb_cmd2 get = {};
> +
> +		add_basic.width = 1024;
> +		add_basic.height = 1024;
> +		add_basic.pixel_format = DRM_FORMAT_XRGB8888;
> +		add_basic.pitches[0] = 1024*4;
> +		add_basic.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
> +			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
> +		igt_assert(add_basic.handles[0]);
> +		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add_basic);
> +
> +		get.fb_id = add_basic.fb_id;
> +		do_ioctl(fd, DRM_IOCTL_MODE_GETFB2, &get);
> +		igt_assert_neq_u32(get.handles[0], 0);
> +		gem_close(fd, get.handles[0]);
> +	}
> +
> +	igt_subtest("getfb2-handle-zero") {
> +		struct drm_mode_fb_cmd2 get = {};
> +		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB2, &get, ENOENT);
> +	}
> +
> +	igt_subtest("getfb2-handle-closed") {
> +		struct drm_mode_fb_cmd2 add = add_basic;
> +		struct drm_mode_fb_cmd2 get = { };
> +
> +		add.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
> +			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
> +		igt_assert(add.handles[0]);
> +		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add);
> +		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
>  
> +		get.fb_id = add.fb_id;
> +		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB2, &get, ENOENT);
> +		gem_close(fd, add.handles[0]);
> +	}
> +
> +	igt_subtest("getfb2-handle-not-fb") {
> +		struct drm_mode_fb_cmd get = { .fb_id = get_prop_id(fd) };
> +		igt_require(get.fb_id > 0);
> +		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
> +	}
> +
> +	igt_subtest("getfb2-accept-ccs") {
> +		struct drm_mode_fb_cmd2 add_ccs = { };
> +		struct drm_mode_fb_cmd2 get = { };
> +		int i;
> +
> +		get_ccs_fb(fd, &add_ccs);
> +		igt_require(add_ccs.fb_id != 0);
> +		get.fb_id = add_ccs.fb_id;
> +		do_ioctl(fd, DRM_IOCTL_MODE_GETFB2, &get);
> +
> +		igt_assert_eq_u32(get.width, add_ccs.width);
> +		igt_assert_eq_u32(get.height, add_ccs.height);
> +		igt_assert(get.flags & DRM_MODE_FB_MODIFIERS);
> +
> +		for (i = 0; i < ARRAY_SIZE(get.handles); i++) {
> +			igt_assert_eq_u32(get.pitches[i], add_ccs.pitches[i]);
> +			igt_assert_eq_u32(get.offsets[i], add_ccs.offsets[i]);
> +			if (add_ccs.handles[i] != 0) {
> +				igt_assert_neq_u32(get.handles[i], 0);
> +				igt_assert_neq_u32(get.handles[i],
> +						   add_ccs.handles[i]);
> +				igt_assert_eq_u64(get.modifier[i],
> +						  add_ccs.modifier[i]);
> +			} else {
> +				igt_assert_eq_u32(get.handles[i], 0);
> +				igt_assert_eq_u64(get.modifier[i],
> +						  DRM_FORMAT_MOD_INVALID);
> +			}
> +		}
> +		igt_assert_eq_u32(get.handles[0], get.handles[1]);
> +
> +		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &get.fb_id);
> +		gem_close(fd, add_ccs.handles[0]);
> +		gem_close(fd, get.handles[0]);
> +	}
> +
> +	igt_fixture {
> +		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add_basic.fb_id);
> +		gem_close(fd, add_basic.handles[0]);
> +	}
>  }
>  
>  igt_main
> @@ -200,6 +289,8 @@ igt_main
>  
>  	test_duplicate_handles(fd);
>  
> +	test_getfb2(fd);
> +
>  	igt_fixture
>  		close(fd);
>  }
> -- 
> 2.16.2
> 
> _______________________________________________
> igt-dev mailing list
> igt-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/igt-dev

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Re: [igt-dev] [PATCH i-g-t 1/3] tests/kms_getfb: Split property-ID get into helper

[Ville Syrjälä]

On Fri, Mar 23, 2018 at 01:46:14PM +0000, Daniel Stone wrote:
> We'll want to reuse this, so split it out into a (smaller!) helper.
> 
> Signed-off-by: Daniel Stone <daniels@collabora.com>
> ---
>  tests/kms_getfb.c | 36 +++++++++++++++++++-----------------
>  1 file changed, 19 insertions(+), 17 deletions(-)
> 
> diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
> index c5968e75..a9852626 100644
> --- a/tests/kms_getfb.c
> +++ b/tests/kms_getfb.c
> @@ -72,6 +72,23 @@ static void get_ccs_fb(int fd, struct drm_mode_fb_cmd2 *ret)
>  		gem_close(fd, add.handles[0]);
>  }
>  
> +/**
> + * Find and return an arbitrary valid property ID.
> + */
> +static uint32_t get_prop_id(int fd)

get_any_prop_id() or something like that maybe?

Either way
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> +{
> +	igt_display_t display;
> +
> +	igt_display_init(&display, fd);
> +	for (int i = 0; i < display.n_outputs; i++) {
> +		igt_output_t *output = &display.outputs[i];
> +		if (output->props[IGT_CONNECTOR_DPMS] != 0)
> +			return output->props[IGT_CONNECTOR_DPMS];
> +	}
> +
> +	return 0;
> +}
> +
>  static void test_handle_input(int fd)
>  {
>  	struct drm_mode_fb_cmd2 add = {};
> @@ -111,23 +128,8 @@ static void test_handle_input(int fd)
>  	}
>  
>  	igt_subtest("getfb-handle-not-fb") {
> -		struct drm_mode_fb_cmd get = { };
> -		uint32_t prop_id = 0;
> -		igt_display_t display;
> -
> -		/* Find a valid property ID to use. */
> -		igt_display_init(&display, fd);
> -		for (int i = 0; i < display.n_outputs; i++) {
> -			igt_output_t *output = &display.outputs[i];
> -
> -			if (output->props[IGT_CONNECTOR_DPMS] != 0) {
> -				prop_id = output->props[IGT_CONNECTOR_DPMS];
> -				break;
> -			}
> -		}
> -		igt_require(prop_id > 0);
> -
> -		get.fb_id = prop_id;
> +		struct drm_mode_fb_cmd get = { .fb_id = get_prop_id(fd) };
> +		igt_require(get.fb_id > 0);
>  		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
>  	}
>  }
> -- 
> 2.16.2
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

Re: [igt-dev] [PATCH i-g-t 1/3] tests/kms_getfb: Split property-ID get into helper

[Daniel Stone]

On 23 March 2018 at 14:53, Ville Syrjälä <ville.syrjala@linux.intel.com> wrote:
> On Fri, Mar 23, 2018 at 01:46:14PM +0000, Daniel Stone wrote:
>> +/**
>> + * Find and return an arbitrary valid property ID.
>> + */
>> +static uint32_t get_prop_id(int fd)
>
> get_any_prop_id() or something like that maybe?

Yeah, a good choice of colour. :)

Cheers,
Daniel
_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

Re: [igt-dev] [PATCH 0/8] Add GetFB2 ioctl

[Daniel Stone]

On 23 March 2018 at 13:42, Daniel Stone <daniel@fooishbar.org> wrote:
> This submission rights that historical wrong, which allows Xorg
> -background none to continue to work in the face of exotic buffers.
> I've written patches to Xorg to use this as UABI verification, and
> I'll post a link to that very shortly.

Et voila:
https://lists.x.org/archives/xorg-devel/2018-March/056363.html

Cheers,
Daniel
_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev