[PATCH i-g-t v3 0/7] kms_ccs testcase improvements

[PATCH i-g-t v3 0/7] kms_ccs testcase improvements

[Gabriel Krisman Bertazi]

[Resending with the i-g-t tag to make sure the CI catches it.  Sorry for
the noise!]

Hey,

Here is a v3 including other testcases for kms_ccs as well as random
fixes to that test and one to igt_kms.

I have two other testcases that I wanted to share together with this set
for kms_ccs, but they will come later.

Please notice that the testcase for the overlapping buffers will hit a
failure because linux fails to detect the overlapping buffers in
add_fb2.  I'll submit on another thread with a patch to linux fixing the
ioctl, which will make this test suceed. 

Please, let me know your feedback,

Gabriel Krisman Bertazi (7):
  tests/kms_ccs: Test pipes other than pipe A
  lib/igt_kms: Fix off-by-one bug on skip of missing pipe
  tests/kms_ccs: Prevent segfault if pipe is not supported
  tests/kms_ccs: Test case where the CCS buffer was not provided
  tests/kms_ccs: Test case where CCS and main buffer overlaps
  tests/kms_ccs: Test case where CCS is on a different BO
  tests/kms_ccs: Test case for wrong aux buffer stripe size

 lib/igt_kms.c   |  2 +-
 tests/kms_ccs.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 74 insertions(+), 10 deletions(-)

-- 
2.11.0

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[PATCH i-g-t v3 1/7] tests/kms_ccs: Test pipes other than pipe A

[Gabriel Krisman Bertazi]

Commit d41c4ccbd2f9 ("tests/kms_ccs: Fix subtest enumeration")
accidently removed the update of data.pipe, causing kms_ccs to silently
only test PIPE_A.

This fixes the behavior reported by Daniel Vetter where tests would
succeed even on nonexistent pipes.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index ab9325d14991..775c6999699f 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -483,6 +483,8 @@ igt_main
 		const char *pipe_name = kmstest_pipe_name(pipe);
 		int sprite_idx = 0;
 
+		data.pipe = pipe;
+
 		data.flags = TEST_BAD_PIXEL_FORMAT;
 		igt_subtest_f("pipe-%s-bad-pixel-format", pipe_name)
 			test_output(&data);
-- 
2.11.0

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[PATCH i-g-t v3 2/7] lib/igt_kms: Fix off-by-one bug on skip of missing pipe

[Gabriel Krisman Bertazi]

display->n_pipes is zero-indexed, so N returned in
igt_display_get_n_pipes is already not a valid pipe.  This patch
prevents kms_ccs from going nuts when testing the first unxesting pipe.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 lib/igt_kms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 14e2701c3afd..ce07fcc1fc73 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1864,7 +1864,7 @@ void igt_display_require_output_on_pipe(igt_display_t *display, enum pipe pipe)
 {
 	igt_output_t *output;
 
-	igt_skip_on_f(igt_display_get_n_pipes(display) < pipe,
+	igt_skip_on_f(igt_display_get_n_pipes(display) <= pipe,
 		      "Pipe %s does not exist.\n", kmstest_pipe_name(pipe));
 
 	for_each_valid_output_on_pipe(display, pipe, output)
-- 
2.11.0

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[PATCH i-g-t v3 3/7] tests/kms_ccs: Prevent segfault if pipe is not supported

[Gabriel Krisman Bertazi]

for_each_plane_on_pipe() indexes bad memory when iterating over an invalid
pipe.  Make sure the pipe exists before trying to use it.  This prevents
the crash below:

root@ideacentre:~# igt-gpu-tools/tests/kms_ccs --r pipe-D-crc-sprite-planes-basic
IGT-Version: 1.19-g59f0e3d182a8 (x86_64) (Linux: 4.13.0-rc6.intel-boxes+x86_64)
Received signal SIGSEGV.
Stack trace:
 #0 [fatal_sig_handler+0x185]
 #1 [killpg+0x40]
 #2 [__real_main485+0x2de]
 #3 [main+0x3f]
 #4 [__libc_start_main+0xf1]
 #5 [_start+0x2a]
 #6 [<unknown>+0x2a]
Subtest pipe-D-crc-sprite-planes-basic: CRASH (0.004s)

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index 775c6999699f..73025a1e019f 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -503,6 +503,9 @@ igt_main
 
 		data.flags = TEST_CRC;
 		igt_subtest_f("pipe-%s-crc-sprite-planes-basic", pipe_name) {
+
+			igt_display_require_output_on_pipe(&data.display, data.pipe);
+
 			for_each_plane_on_pipe(&data.display, data.pipe, data.plane) {
 				if (data.plane->type == DRM_PLANE_TYPE_PRIMARY)
 					continue;
-- 
2.11.0

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[PATCH i-g-t v3 4/7] tests/kms_ccs: Test case where the CCS buffer was not provided

[Gabriel Krisman Bertazi]

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index 73025a1e019f..cc41c85c4964 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -33,8 +33,12 @@ enum test_flags {
 	TEST_ROTATE_180			= 1 << 2,
 	TEST_BAD_PIXEL_FORMAT		= 1 << 3,
 	TEST_BAD_ROTATION_90		= 1 << 4,
+	TEST_NO_AUX_BUFFER		= 1 << 5,
 };
 
+#define TEST_FAIL_ON_ADDFB2 \
+	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER)
+
 enum test_fb_flags {
 	FB_COMPRESSED			= 1 << 0,
 	FB_HAS_PLANE			= 1 << 1,
@@ -321,16 +325,19 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
 		size[1] = f.pitches[1] * ALIGN(ccs_height, 32);
 
 		f.handles[0] = gem_create(data->drm_fd, size[0] + size[1]);
-		f.handles[1] = f.handles[0];
-		render_ccs(data, f.handles[1], f.offsets[1], size[1],
-			   height, f.pitches[1]);
+
+		if (!(data->flags & TEST_NO_AUX_BUFFER)) {
+			f.handles[1] = f.handles[0];
+			render_ccs(data, f.handles[1], f.offsets[1], size[1],
+				   height, f.pitches[1]);
+		}
 	} else
 		f.handles[0] = gem_create(data->drm_fd, size[0]);
 
 	render_fb(data, f.handles[0], size[0], fb_flags, height, f.pitches[0]);
 
 	ret = drmIoctl(data->drm_fd, LOCAL_DRM_IOCTL_MODE_ADDFB2, &f);
-	if (data->flags & TEST_BAD_PIXEL_FORMAT) {
+	if (data->flags & TEST_FAIL_ON_ADDFB2) {
 		igt_assert_eq(ret, -1);
 		igt_assert_eq(errno, EINVAL);
 		return;
@@ -379,7 +386,7 @@ static void try_config(data_t *data, enum test_fb_flags fb_flags)
 			    drm_mode->vdisplay, fb_flags);
 	}
 
-	if (data->flags & TEST_BAD_PIXEL_FORMAT)
+	if (data->flags & TEST_FAIL_ON_ADDFB2)
 		return;
 
 	igt_plane_set_position(primary, 0, 0);
@@ -446,7 +453,8 @@ static void test_output(data_t *data)
 	}
 
 	if (data->flags & TEST_BAD_PIXEL_FORMAT ||
-	    data->flags & TEST_BAD_ROTATION_90) {
+	    data->flags & TEST_BAD_ROTATION_90 ||
+	    data->flags & TEST_NO_AUX_BUFFER) {
 		try_config(data, fb_flags | FB_COMPRESSED);
 	}
 
@@ -515,6 +523,11 @@ igt_main
 		}
 
 		data.plane = NULL;
+
+		data.flags = TEST_NO_AUX_BUFFER;
+		igt_subtest_f("pipe-%s-missing-ccs-buffer", pipe_name)
+			test_output(&data);
+
 	}
 
 	igt_fixture
-- 
2.11.0

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[PATCH i-g-t v3 5/7] tests/kms_ccs: Test case where CCS and main buffer overlaps

[Gabriel Krisman Bertazi]

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index cc41c85c4964..06d34a80b108 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -34,10 +34,11 @@ enum test_flags {
 	TEST_BAD_PIXEL_FORMAT		= 1 << 3,
 	TEST_BAD_ROTATION_90		= 1 << 4,
 	TEST_NO_AUX_BUFFER		= 1 << 5,
+	TEST_BAD_CCS_OFFSET		= 1 << 6,
 };
 
 #define TEST_FAIL_ON_ADDFB2 \
-	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER)
+	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER | TEST_BAD_CCS_OFFSET)
 
 enum test_fb_flags {
 	FB_COMPRESSED			= 1 << 0,
@@ -321,7 +322,13 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
 		int ccs_height = ALIGN(height, 16) / 16;
 		f.pitches[1] = ALIGN(ccs_width * 1, 128);
 		f.modifier[1] = modifier;
-		f.offsets[1] = size[0];
+
+		if (data->flags & TEST_BAD_CCS_OFFSET) {
+			/* Overlap CCS buffer with the color buffer. */
+			f.offsets[1] = 0;
+		} else
+			f.offsets[1] = size[0];
+
 		size[1] = f.pitches[1] * ALIGN(ccs_height, 32);
 
 		f.handles[0] = gem_create(data->drm_fd, size[0] + size[1]);
@@ -454,7 +461,8 @@ static void test_output(data_t *data)
 
 	if (data->flags & TEST_BAD_PIXEL_FORMAT ||
 	    data->flags & TEST_BAD_ROTATION_90 ||
-	    data->flags & TEST_NO_AUX_BUFFER) {
+	    data->flags & TEST_NO_AUX_BUFFER ||
+	    data->flags & TEST_BAD_CCS_OFFSET) {
 		try_config(data, fb_flags | FB_COMPRESSED);
 	}
 
@@ -528,6 +536,10 @@ igt_main
 		igt_subtest_f("pipe-%s-missing-ccs-buffer", pipe_name)
 			test_output(&data);
 
+		data.flags = TEST_BAD_CCS_OFFSET;
+		igt_subtest_f("pipe-%s-invalid-ccs-offset", pipe_name)
+			test_output(&data);
+
 	}
 
 	igt_fixture
-- 
2.11.0

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[PATCH i-g-t v3 6/7] tests/kms_ccs: Test case where CCS is on a different BO

[Gabriel Krisman Bertazi]

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index 06d34a80b108..95de6963226d 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -35,10 +35,12 @@ enum test_flags {
 	TEST_BAD_ROTATION_90		= 1 << 4,
 	TEST_NO_AUX_BUFFER		= 1 << 5,
 	TEST_BAD_CCS_OFFSET		= 1 << 6,
+	TEST_BAD_CCS_HANDLE		= 1 << 7,
 };
 
 #define TEST_FAIL_ON_ADDFB2 \
-	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER | TEST_BAD_CCS_OFFSET)
+	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER | TEST_BAD_CCS_OFFSET | \
+	 TEST_BAD_CCS_HANDLE)
 
 enum test_fb_flags {
 	FB_COMPRESSED			= 1 << 0,
@@ -276,6 +278,7 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
 	unsigned int size[2];
 	uint64_t modifier;
 	int ret;
+	uint32_t ccs_handle;
 
 	/* Use either compressed or Y-tiled to test. However, given the lack of
 	 * available bandwidth, we use linear for the primary plane when
@@ -331,10 +334,18 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
 
 		size[1] = f.pitches[1] * ALIGN(ccs_height, 32);
 
-		f.handles[0] = gem_create(data->drm_fd, size[0] + size[1]);
+		if (data->flags & TEST_BAD_CCS_HANDLE) {
+			/* Put the CCS buffer on a different BO. */
+			f.handles[0] = gem_create(data->drm_fd, size[0]);
+			ccs_handle = gem_create(data->drm_fd, size[1]);
+			f.offsets[1] = 0;
+		} else {
+			f.handles[0] = gem_create(data->drm_fd, size[0] + size[1]);
+			ccs_handle = f.handles[0];
+		}
 
 		if (!(data->flags & TEST_NO_AUX_BUFFER)) {
-			f.handles[1] = f.handles[0];
+			f.handles[1] = ccs_handle;
 			render_ccs(data, f.handles[1], f.offsets[1], size[1],
 				   height, f.pitches[1]);
 		}
@@ -462,7 +473,8 @@ static void test_output(data_t *data)
 	if (data->flags & TEST_BAD_PIXEL_FORMAT ||
 	    data->flags & TEST_BAD_ROTATION_90 ||
 	    data->flags & TEST_NO_AUX_BUFFER ||
-	    data->flags & TEST_BAD_CCS_OFFSET) {
+	    data->flags & TEST_BAD_CCS_OFFSET ||
+	    data->flags & TEST_BAD_CCS_HANDLE) {
 		try_config(data, fb_flags | FB_COMPRESSED);
 	}
 
@@ -540,6 +552,10 @@ igt_main
 		igt_subtest_f("pipe-%s-invalid-ccs-offset", pipe_name)
 			test_output(&data);
 
+		data.flags = TEST_BAD_CCS_HANDLE;
+		igt_subtest_f("pipe-%s-ccs-on-another-bo", pipe_name)
+			test_output(&data);
+
 	}
 
 	igt_fixture
-- 
2.11.0

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[PATCH i-g-t v3 7/7] tests/kms_ccs: Test case for wrong aux buffer stripe size

[Gabriel Krisman Bertazi]

Two scenarios tested:
  - unaligned stripe
  - Stripe too small

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
---
 tests/kms_ccs.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index 95de6963226d..2e6efe95ffca 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -36,15 +36,18 @@ enum test_flags {
 	TEST_NO_AUX_BUFFER		= 1 << 5,
 	TEST_BAD_CCS_OFFSET		= 1 << 6,
 	TEST_BAD_CCS_HANDLE		= 1 << 7,
+	TEST_BAD_AUX_STRIDE		= 1 << 8,
 };
 
 #define TEST_FAIL_ON_ADDFB2 \
 	(TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER | TEST_BAD_CCS_OFFSET | \
-	 TEST_BAD_CCS_HANDLE)
+	 TEST_BAD_CCS_HANDLE | TEST_BAD_AUX_STRIDE)
 
 enum test_fb_flags {
 	FB_COMPRESSED			= 1 << 0,
 	FB_HAS_PLANE			= 1 << 1,
+	FB_MISALIGN_AUX_STRIDE		= 1 << 2,
+	FB_SMALL_AUX_STRIDE		= 1 << 3,
 };
 
 typedef struct {
@@ -323,7 +326,14 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
 		 */
 		int ccs_width = ALIGN(width * 4, 32) / 32;
 		int ccs_height = ALIGN(height, 16) / 16;
-		f.pitches[1] = ALIGN(ccs_width * 1, 128);
+		int aux_stride = ALIGN(ccs_width * 1, 128);
+
+		if (fb_flags & FB_MISALIGN_AUX_STRIDE)
+			aux_stride = ccs_width;
+		else if (fb_flags & FB_SMALL_AUX_STRIDE)
+			aux_stride = ALIGN(ccs_width/2, 128);
+
+		f.pitches[1] = aux_stride;
 		f.modifier[1] = modifier;
 
 		if (data->flags & TEST_BAD_CCS_OFFSET) {
@@ -478,6 +488,11 @@ static void test_output(data_t *data)
 		try_config(data, fb_flags | FB_COMPRESSED);
 	}
 
+	if (data->flags & TEST_BAD_AUX_STRIDE) {
+		try_config(data, fb_flags | FB_COMPRESSED | FB_MISALIGN_AUX_STRIDE);
+		try_config(data, fb_flags | FB_COMPRESSED | FB_SMALL_AUX_STRIDE);
+	}
+
 	primary = igt_output_get_plane_type(data->output, DRM_PLANE_TYPE_PRIMARY);
 	igt_plane_set_fb(primary, NULL);
 	igt_plane_set_rotation(primary, IGT_ROTATION_0);
@@ -556,6 +571,9 @@ igt_main
 		igt_subtest_f("pipe-%s-ccs-on-another-bo", pipe_name)
 			test_output(&data);
 
+		data.flags = TEST_BAD_AUX_STRIDE;
+		igt_subtest_f("pipe-%s-bad-aux-stride", pipe_name)
+			test_output(&data);
 	}
 
 	igt_fixture
-- 
2.11.0

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Re: [PATCH i-g-t v3 2/7] lib/igt_kms: Fix off-by-one bug on skip of missing pipe

[Maarten Lankhorst]

Op 31-08-17 om 08:18 schreef Gabriel Krisman Bertazi:
> display->n_pipes is zero-indexed, so N returned in
> igt_display_get_n_pipes is already not a valid pipe.  This patch
> prevents kms_ccs from going nuts when testing the first unxesting pipe.
>
> Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
> ---
>  lib/igt_kms.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index 14e2701c3afd..ce07fcc1fc73 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -1864,7 +1864,7 @@ void igt_display_require_output_on_pipe(igt_display_t *display, enum pipe pipe)
>  {
>  	igt_output_t *output;
>  
> -	igt_skip_on_f(igt_display_get_n_pipes(display) < pipe,
> +	igt_skip_on_f(igt_display_get_n_pipes(display) <= pipe,
>  		      "Pipe %s does not exist.\n", kmstest_pipe_name(pipe));
>  
>  	for_each_valid_output_on_pipe(display, pipe, output)

I think the original check is correct?

Although it could be inverted to make it more clear, matching the other similar checks in tests/kms_*.c:

igt_skip_on_f(pipe >= igt_display_get_n_pipes(display),

But your change doesn't match what any user of n_pipes in /tests is doing, so I'm afraid I have to NACK. :)

Kind regards,
Maarten

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Re: [PATCH i-g-t v3 2/7] lib/igt_kms: Fix off-by-one bug on skip of missing pipe

[Maarten Lankhorst]

Op 31-08-17 om 09:06 schreef Maarten Lankhorst:
> Op 31-08-17 om 08:18 schreef Gabriel Krisman Bertazi:
>> display->n_pipes is zero-indexed, so N returned in
>> igt_display_get_n_pipes is already not a valid pipe.  This patch
>> prevents kms_ccs from going nuts when testing the first unxesting pipe.
>>
>> Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
>> ---
>>  lib/igt_kms.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
>> index 14e2701c3afd..ce07fcc1fc73 100644
>> --- a/lib/igt_kms.c
>> +++ b/lib/igt_kms.c
>> @@ -1864,7 +1864,7 @@ void igt_display_require_output_on_pipe(igt_display_t *display, enum pipe pipe)
>>  {
>>  	igt_output_t *output;
>>  
>> -	igt_skip_on_f(igt_display_get_n_pipes(display) < pipe,
>> +	igt_skip_on_f(igt_display_get_n_pipes(display) <= pipe,
>>  		      "Pipe %s does not exist.\n", kmstest_pipe_name(pipe));
>>  
>>  	for_each_valid_output_on_pipe(display, pipe, output)
> I think the original check is correct?
>
> Although it could be inverted to make it more clear, matching the other similar checks in tests/kms_*.c:
>
> igt_skip_on_f(pipe >= igt_display_get_n_pipes(display),
Oops, early morning math fail..

Just use the suggested form please. :)

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

~Maarten
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✓ Fi.CI.BAT: success for kms_ccs testcase improvements

[Patchwork]

== Series Details ==

Series: kms_ccs testcase improvements
URL   : https://patchwork.freedesktop.org/series/29585/
State : success

== Summary ==

IGT patchset tested on top of latest successful build
c2159678d283fea5615ec8e846a51cf4954ac82d tests/perf: add Geminilake support

with latest DRM-Tip kernel build CI_DRM_3021
c399d43adc55 drm-tip: 2017y-08m-31d-07h-25m-28s UTC integration manifest

Test kms_cursor_legacy:
        Subgroup basic-flip-after-cursor-varying-size:
                pass       -> FAIL       (fi-hsw-4770) fdo#102402 +1
Test kms_flip:
        Subgroup basic-flip-vs-modeset:
                skip       -> PASS       (fi-skl-x1585l) fdo#101781

fdo#102402 https://bugs.freedesktop.org/show_bug.cgi?id=102402
fdo#101781 https://bugs.freedesktop.org/show_bug.cgi?id=101781

fi-bdw-5557u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:457s
fi-bdw-gvtdvm    total:288  pass:265  dwarn:0   dfail:0   fail:0   skip:23  time:438s
fi-blb-e6850     total:288  pass:224  dwarn:1   dfail:0   fail:0   skip:63  time:364s
fi-bsw-n3050     total:288  pass:243  dwarn:0   dfail:0   fail:0   skip:45  time:555s
fi-bwr-2160      total:288  pass:184  dwarn:0   dfail:0   fail:0   skip:104 time:253s
fi-bxt-j4205     total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:533s
fi-byt-j1900     total:288  pass:254  dwarn:1   dfail:0   fail:0   skip:33  time:526s
fi-byt-n2820     total:288  pass:250  dwarn:1   dfail:0   fail:0   skip:37  time:516s
fi-elk-e7500     total:288  pass:230  dwarn:0   dfail:0   fail:0   skip:58  time:449s
fi-glk-2a        total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:614s
fi-hsw-4770      total:288  pass:261  dwarn:0   dfail:0   fail:2   skip:25  time:464s
fi-hsw-4770r     total:288  pass:263  dwarn:0   dfail:0   fail:0   skip:25  time:423s
fi-ilk-650       total:288  pass:229  dwarn:0   dfail:0   fail:0   skip:59  time:429s
fi-ivb-3520m     total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:501s
fi-ivb-3770      total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:474s
fi-kbl-7500u     total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:481s
fi-kbl-7560u     total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:597s
fi-kbl-r         total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:595s
fi-pnv-d510      total:288  pass:223  dwarn:1   dfail:0   fail:0   skip:64  time:528s
fi-skl-6260u     total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:470s
fi-skl-6700k     total:288  pass:265  dwarn:0   dfail:0   fail:0   skip:23  time:540s
fi-skl-6770hq    total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:489s
fi-skl-gvtdvm    total:288  pass:266  dwarn:0   dfail:0   fail:0   skip:22  time:449s
fi-skl-x1585l    total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:503s
fi-snb-2520m     total:288  pass:251  dwarn:0   dfail:0   fail:0   skip:37  time:548s
fi-snb-2600      total:288  pass:249  dwarn:0   dfail:0   fail:1   skip:38  time:407s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_129/
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✓ Fi.CI.IGT: success for kms_ccs testcase improvements

[Patchwork]

== Series Details ==

Series: kms_ccs testcase improvements
URL   : https://patchwork.freedesktop.org/series/29585/
State : success

== Summary ==

Test kms_setmode:
        Subgroup basic:
                pass       -> FAIL       (shard-hsw) fdo#99912
Test kms_flip:
        Subgroup plain-flip-fb-recreate-interruptible:
                pass       -> FAIL       (shard-hsw) fdo#100368
        Subgroup plain-flip-fb-recreate:
                fail       -> PASS       (shard-hsw)
Test perf:
        Subgroup polling:
                fail       -> PASS       (shard-hsw) fdo#102252

fdo#99912 https://bugs.freedesktop.org/show_bug.cgi?id=99912
fdo#100368 https://bugs.freedesktop.org/show_bug.cgi?id=100368
fdo#102252 https://bugs.freedesktop.org/show_bug.cgi?id=102252

shard-hsw        total:2289 pass:1231 dwarn:0   dfail:0   fail:18  skip:1040 time:9619s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_129/shards.html
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Re: [PATCH i-g-t v3 7/7] tests/kms_ccs: Test case for wrong aux buffer stripe size

[Daniel Stone]

Hi Gabriel,

On 31 August 2017 at 07:18, Gabriel Krisman Bertazi
<krisman@collabora.co.uk> wrote:
> Two scenarios tested:
>   - unaligned stripe
>   - Stripe too small

'stride' in the commit message please. ;) But it is fine everywhere
through the code.

> @@ -323,7 +326,14 @@ static void generate_fb(data_t *data, struct igt_fb *fb,
>                  */
>                 int ccs_width = ALIGN(width * 4, 32) / 32;
>                 int ccs_height = ALIGN(height, 16) / 16;
> -               f.pitches[1] = ALIGN(ccs_width * 1, 128);
> +               int aux_stride = ALIGN(ccs_width * 1, 128);
> +
> +               if (fb_flags & FB_MISALIGN_AUX_STRIDE)
> +                       aux_stride = ccs_width;

aux_stride -= 64 perhaps?

> +               else if (fb_flags & FB_SMALL_AUX_STRIDE)
> +                       aux_stride = ALIGN(ccs_width/2, 128);

This one seems OK, but maybe want to skip it in the unlikely case that
(w <= 1024), since that already has the smallest possible valid stride
at 128.

Cheers,
Daniel
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