diff options
author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-07-08 10:22:15 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@armlinux.org.uk> | 2017-12-08 12:19:53 +0000 |
commit | 214612f9b7ae2395d1b9d1c51d1e994fcd598b2c (patch) | |
tree | 7f6aacaec97f0ddfdff5de5e28bc898374c7d2a0 /drivers/gpu/drm/armada | |
parent | eaa66279c3dd65cafede289d2485185fb389b050 (diff) | |
download | linux-214612f9b7ae2395d1b9d1c51d1e994fcd598b2c.tar.bz2 |
drm/armada: move writes of LCD_SPU_SRAM_PARA1 under lock
Move writes of LCD_SPU_SRAM_PARA1 under the irq lock, so that we can
add this to the frame updates at interrupt time when disabling a
plane.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/armada')
-rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/armada/armada_overlay.c | 5 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 02eefdc6f062..b0091142a79f 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -657,8 +657,6 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, /* Now compute the divider for real */ dcrtc->variant->compute_clock(dcrtc, adj, &sclk); - /* Ensure graphic fifo is enabled */ - armada_reg_queue_mod(regs, i, 0, CFG_PDWN64x66, LCD_SPU_SRAM_PARA1); armada_reg_queue_set(regs, i, sclk, LCD_CFG_SCLK_DIV); if (interlaced ^ dcrtc->interlaced) { @@ -671,6 +669,9 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, spin_lock_irqsave(&dcrtc->irq_lock, flags); + /* Ensure graphic fifo is enabled */ + armada_reg_queue_mod(regs, i, 0, CFG_PDWN64x66, LCD_SPU_SRAM_PARA1); + /* Even interlaced/progressive frame */ dcrtc->v[1].spu_v_h_total = adj->crtc_vtotal << 16 | adj->crtc_htotal; @@ -869,9 +870,11 @@ static int armada_drm_crtc_cursor_update(struct armada_crtc *dcrtc, bool reload) return 0; } + spin_lock_irq(&dcrtc->irq_lock); para1 = readl_relaxed(dcrtc->base + LCD_SPU_SRAM_PARA1); armada_updatel(CFG_CSB_256x32, CFG_CSB_256x32 | CFG_PDWN256x32, dcrtc->base + LCD_SPU_SRAM_PARA1); + spin_unlock_irq(&dcrtc->irq_lock); /* * Initialize the transparency if the SRAM was powered down. @@ -1157,9 +1160,8 @@ int armada_drm_plane_disable(struct drm_plane *plane, spin_lock_irq(&dcrtc->irq_lock); armada_updatel(0, enable_mask, dcrtc->base + LCD_SPU_DMA_CTRL0); - spin_unlock_irq(&dcrtc->irq_lock); - armada_updatel(sram_para1, 0, dcrtc->base + LCD_SPU_SRAM_PARA1); + spin_unlock_irq(&dcrtc->irq_lock); return 0; } diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index 200223861bfb..e02d0d9d4c23 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -162,8 +162,9 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, return 0; } else if (~dplane->base.state.ctrl0 & ctrl0 & CFG_DMA_ENA) { /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */ - armada_updatel(0, CFG_PDWN16x66 | CFG_PDWN32x66, - dcrtc->base + LCD_SPU_SRAM_PARA1); + armada_reg_queue_mod(work->regs, idx, + 0, CFG_PDWN16x66 | CFG_PDWN32x66, + LCD_SPU_SRAM_PARA1); } if (armada_drm_plane_work_wait(&dplane->base, HZ / 25) == 0) |