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kms_frontbuffer_tracking: avoid huge strides during normal operation

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We want to restrict huge strides to the yet-to-be-implemented
stride-size-specific subtest.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2015-07-10 15:54:34 -03:00
parent c2d656c5d6
commit 344dab22e9
1 changed files with 33 additions and 21 deletions
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54
tests/kms_frontbuffer_tracking.c
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@ -458,16 +458,28 @@ static bool init_modeset_cached_params(void)
/*
* This is how the prim, scnd and offscreen FBs should be positioned inside the
* big FB. The prim buffer starts at the X and Y offsets defined above, then
* scnd starts at the same Y pixel offset, right after prim ends on the X axis,
* scnd starts at the same X pixel offset, right after prim ends on the Y axis,
* then the offscreen fb starts after scnd ends. Just like the picture:
* +------------------------------------+
* | big |
* | +--------+-----------+-----------+
* | | prim | scnd | offscreen |
* | | | | |
* | | +-----------+ |
* | | | +-----------+
* +---+--------+-----------------------+
*
* +----------------------+--+
* | big | |
* | +------------------+ |
* | | prim | |
* | | | |
* | | | |
* | | | |
* | +------------------+--+
* | | scnd |
* | | |
* | | |
* | +---------------+-----+
* | | offscreen | |
* | | | |
* | | | |
* +---+---------------+-----+
*
* We do it vertically instead of the more common horizontal case in order to
* avoid super huge strides not supported by FBC.
*/
static void create_big_fb(void)
{
@ -486,14 +498,14 @@ static void create_big_fb(void)
offs_w = offscreen_fb.w;
offs_h = offscreen_fb.h;
big_w = prim_w + scnd_w + offs_w + BIGFB_X_OFFSET;
big_w = prim_w;
if (scnd_w > big_w)
big_w = scnd_w;
if (offs_w > big_w)
big_w = offs_w;
big_w += BIGFB_X_OFFSET;
big_h = prim_h;
if (scnd_h > big_h)
big_h = scnd_h;
if (offs_h > big_h)
big_h = offs_h;
big_h += BIGFB_Y_OFFSET;
big_h = prim_h + scnd_h + offs_h + BIGFB_Y_OFFSET;
igt_create_fb(drm.fd, big_w, big_h, DRM_FORMAT_XRGB8888,
LOCAL_I915_FORMAT_MOD_X_TILED, &fbs.big);
@ -1511,13 +1523,13 @@ static void set_crtc_fbs(const struct test_mode *t)
offscreen_fb.fb = &fbs.big;
prim_mode_params.fb.x = BIGFB_X_OFFSET;
scnd_mode_params.fb.x = prim_mode_params.fb.x +
prim_mode_params.fb.w;
offscreen_fb.x = scnd_mode_params.fb.x + scnd_mode_params.fb.w;
scnd_mode_params.fb.x = BIGFB_X_OFFSET;
offscreen_fb.x = BIGFB_X_OFFSET;
prim_mode_params.fb.y = BIGFB_Y_OFFSET;
scnd_mode_params.fb.y = BIGFB_Y_OFFSET;
offscreen_fb.y = BIGFB_Y_OFFSET;
scnd_mode_params.fb.y = prim_mode_params.fb.y +
prim_mode_params.fb.h;
offscreen_fb.y = scnd_mode_params.fb.y + scnd_mode_params.fb.h;
break;
default:
igt_assert(false);