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drm/exynos: atomic phase 1: add .mode_set_nofb() callback 

The new atomic infrastructure needs the .mode_set_nofb() callback to
update CRTC timings before setting any plane.

v2: remove WARN_ON(!crtc->state) from mode_set_nofb

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Gustavo Padovan 2015-06-01 12:04:43 -03:00 committed by Inki Dae
parent b744868cd2
commit 199329cb37
1 changed files with 7 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -62,9 +62,6 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
if (exynos_crtc->ops->win_commit)
exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos);
if (exynos_crtc->ops->commit)
exynos_crtc->ops->commit(exynos_crtc);
}
static bool
@ -81,60 +78,13 @@ exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
return true;
}
static int
exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode, int x, int y,
struct drm_framebuffer *old_fb)
{
struct drm_framebuffer *fb = crtc->primary->fb;
unsigned int crtc_w;
unsigned int crtc_h;
int ret;
/*
* copy the mode data adjusted by mode_fixup() into crtc->mode
* so that hardware can be seet to proper mode.
*/
memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
ret = exynos_check_plane(crtc->primary, fb);
if (ret < 0)
return ret;
crtc_w = fb->width - x;
crtc_h = fb->height - y;
exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0,
crtc_w, crtc_h, x, y, crtc_w, crtc_h);
return 0;
}
static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
static void
exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct drm_framebuffer *fb = crtc->primary->fb;
unsigned int crtc_w;
unsigned int crtc_h;
int ret;
/* when framebuffer changing is requested, crtc's dpms should be on */
if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
DRM_ERROR("failed framebuffer changing request.\n");
return -EPERM;
}
ret = exynos_check_plane(crtc->primary, fb);
if (ret)
return ret;
crtc_w = fb->width - x;
crtc_h = fb->height - y;
exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
crtc_w, crtc_h, x << 16, y << 16,
crtc_w << 16, crtc_h << 16);
return 0;
if (exynos_crtc->ops->commit)
exynos_crtc->ops->commit(exynos_crtc);
}
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
@ -159,8 +109,9 @@ static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
.prepare = exynos_drm_crtc_prepare,
.commit = exynos_drm_crtc_commit,
.mode_fixup = exynos_drm_crtc_mode_fixup,
.mode_set = exynos_drm_crtc_mode_set,
.mode_set_base = exynos_drm_crtc_mode_set_base,
.mode_set = drm_helper_crtc_mode_set,
.mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
.mode_set_base = drm_helper_crtc_mode_set_base,
.disable = exynos_drm_crtc_disable,
};