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drm/armada: unhook dpms state from armada_drm_crtc_update() 

Explicitly pass in the desired enable/disable state into
armada_drm_crtc_update() rather than having it use the DPMS state
stored in our crtc structure.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2018-07-30 11:52:34 +01:00
parent a0fbb35ecd
commit a0f75d2468
1 changed files with 5 additions and 6 deletions
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11
drivers/gpu/drm/armada/armada_crtc.c
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@ -94,13 +94,13 @@ armada_drm_crtc_update_regs(struct armada_crtc *dcrtc, struct armada_regs *regs)
#define dpms_blanked(dpms) ((dpms) != DRM_MODE_DPMS_ON)
static void armada_drm_crtc_update(struct armada_crtc *dcrtc)
static void armada_drm_crtc_update(struct armada_crtc *dcrtc, bool enable)
{
uint32_t dumb_ctrl;
dumb_ctrl = dcrtc->cfg_dumb_ctrl;
if (!dpms_blanked(dcrtc->dpms))
if (enable)
dumb_ctrl |= CFG_DUMB_ENA;
/*
@ -109,8 +109,7 @@ static void armada_drm_crtc_update(struct armada_crtc *dcrtc)
* force LCD_D[23:0] to output blank color, overriding the GPIO or
* SPI usage. So leave it as-is unless in DUMB24_RGB888_0 mode.
*/
if (dpms_blanked(dcrtc->dpms) &&
(dumb_ctrl & DUMB_MASK) == DUMB24_RGB888_0) {
if (!enable && (dumb_ctrl & DUMB_MASK) == DUMB24_RGB888_0) {
dumb_ctrl &= ~DUMB_MASK;
dumb_ctrl |= DUMB_BLANK;
}
@ -256,7 +255,7 @@ static void armada_drm_crtc_dpms(struct drm_crtc *crtc, int dpms)
else if (dcrtc->variant->enable)
dcrtc->variant->enable(dcrtc, &crtc->hwmode);
dcrtc->dpms = dpms;
armada_drm_crtc_update(dcrtc);
armada_drm_crtc_update(dcrtc, !dpms_blanked(dcrtc->dpms));
if (!dpms_blanked(dpms))
drm_crtc_vblank_on(&dcrtc->crtc);
else if (dcrtc->variant->disable)
@ -305,7 +304,7 @@ static void armada_drm_crtc_commit(struct drm_crtc *crtc)
struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
dcrtc->dpms = DRM_MODE_DPMS_ON;
armada_drm_crtc_update(dcrtc);
armada_drm_crtc_update(dcrtc, true);
drm_crtc_vblank_on(crtc);
armada_drm_crtc_queue_state_event(crtc);