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modesetting: ms_covering_crtc: Allow calling on non modesetting Screens 

99% of the code in ms_covering_crtc is video-driver agnostic. Add a
screen_is_ms parameter when when FALSE skips the one ms specific check,
this will allow calling ms_covering_crtc on slave GPUs.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2016-08-24 14:55:27 +02:00 committed by Adam Jackson
parent 238248d67e
commit 7ade8ba10e
1 changed files with 9 additions and 3 deletions
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12
hw/xfree86/drivers/modesetting/vblank.c
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@ -96,7 +96,7 @@ ms_crtc_on(xf86CrtcPtr crtc)
*/
static xf86CrtcPtr
ms_covering_crtc(ScreenPtr pScreen, BoxPtr box)
ms_covering_crtc(ScreenPtr pScreen, BoxPtr box, Bool screen_is_ms)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
@ -104,14 +104,20 @@ ms_covering_crtc(ScreenPtr pScreen, BoxPtr box)
int coverage, best_coverage;
int c;
BoxRec crtc_box, cover_box;
Bool crtc_on;
best_crtc = NULL;
best_coverage = 0;
for (c = 0; c < xf86_config->num_crtc; c++) {
crtc = xf86_config->crtc[c];
if (screen_is_ms)
crtc_on = ms_crtc_on(crtc);
else
crtc_on = crtc->enabled;
/* If the CRTC is off, treat it as not covering */
if (!ms_crtc_on(crtc))
if (!crtc_on)
continue;
ms_crtc_box(crtc, &crtc_box);
@ -136,7 +142,7 @@ ms_dri2_crtc_covering_drawable(DrawablePtr pDraw)
box.x2 = box.x1 + pDraw->width;
box.y2 = box.y1 + pDraw->height;
return ms_covering_crtc(pScreen, &box);
return ms_covering_crtc(pScreen, &box, TRUE);
}
static Bool