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drm/armada: only enable HSMOOTH if scaling horizontally

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Only enable the HSMOOTH control bit if we are scaling horizontally,
otherwise it makes no sense to enable the horizontal scaler.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2017-07-08 10:22:19 +01:00
parent 214612f9b7
commit 73c51abd9d
2 changed files with 8 additions and 7 deletions
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5
drivers/gpu/drm/armada/armada_crtc.c
View File

@ -583,7 +583,8 @@ static void armada_drm_primary_set(struct drm_crtc *crtc,
armada_reg_queue_mod(regs, i, ctrl0, CFG_GRAFORMAT |
CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |
CFG_SWAPYU | CFG_YUV2RGB) |
CFG_PALETTE_ENA | CFG_GRA_FTOGGLE,
CFG_PALETTE_ENA | CFG_GRA_FTOGGLE |
CFG_GRA_HSMOOTH | CFG_GRA_ENA,
LCD_SPU_DMA_CTRL0);
armada_reg_queue_end(regs, i);
armada_drm_crtc_update_regs(dcrtc, regs);
@ -605,7 +606,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc,
interlaced = !!(adj->flags & DRM_MODE_FLAG_INTERLACE);
val = CFG_GRA_ENA | CFG_GRA_HSMOOTH;
val = CFG_GRA_ENA;
val |= CFG_GRA_FMT(drm_fb_to_armada_fb(dcrtc->crtc.primary->fb)->fmt);
val |= CFG_GRA_MOD(drm_fb_to_armada_fb(dcrtc->crtc.primary->fb)->mod);

10
drivers/gpu/drm/armada/armada_overlay.c
View File

@ -120,11 +120,11 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
ctrl0 = CFG_DMA_FMT(drm_fb_to_armada_fb(fb)->fmt) |
CFG_DMA_MOD(drm_fb_to_armada_fb(fb)->mod) |
CFG_CBSH_ENA | CFG_DMA_HSMOOTH | CFG_DMA_ENA;
/* Does the position/size result in nothing to display? */
if (!visible)
ctrl0 &= ~CFG_DMA_ENA;
CFG_CBSH_ENA;
if (visible)
ctrl0 |= CFG_DMA_ENA;
if (drm_rect_width(&src) >> 16 != drm_rect_width(&dest))
ctrl0 |= CFG_DMA_HSMOOTH;
/*
* Shifting a YUV packed format image by one pixel causes the U/V