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drm/i915: Extract ilk_sprite_ctl()

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Pull the code to calculate the ILK-SNB sprite control register value
into a separate function. Allows us to pre-compute it in the future.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170317211808.14693-7-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä 2017-03-17 23:18:00 +02:00
parent 45dea7b0c6
commit 0a37514795
1 changed files with 54 additions and 44 deletions
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98
drivers/gpu/drm/i915/intel_sprite.c
View File

@ -659,6 +659,59 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static u32 ilk_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 dvscntr;
dvscntr = DVS_ENABLE | DVS_GAMMA_ENABLE;
if (IS_GEN6(dev_priv))
dvscntr |= DVS_TRICKLE_FEED_DISABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB8888:
dvscntr |= DVS_FORMAT_RGBX888;
break;
case DRM_FORMAT_YUYV:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
if (rotation & DRM_ROTATE_180)
dvscntr |= DVS_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
dvscntr |= DVS_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
dvscntr |= DVS_SOURCE_KEY;
return dvscntr;
}
static void
ilk_update_plane(struct drm_plane *plane,
const struct intel_crtc_state *crtc_state,
@ -683,50 +736,7 @@ ilk_update_plane(struct drm_plane *plane,
uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16;
unsigned long irqflags;
dvscntr = DVS_ENABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB8888:
dvscntr |= DVS_FORMAT_RGBX888;
break;
case DRM_FORMAT_YUYV:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
break;
default:
BUG();
}
/*
* Enable gamma to match primary/cursor plane behaviour.
* FIXME should be user controllable via propertiesa.
*/
dvscntr |= DVS_GAMMA_ENABLE;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
if (rotation & DRM_ROTATE_180)
dvscntr |= DVS_ROTATE_180;
if (IS_GEN6(dev_priv))
dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
if (key->flags & I915_SET_COLORKEY_DESTINATION)
dvscntr |= DVS_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
dvscntr |= DVS_SOURCE_KEY;
dvscntr = ilk_sprite_ctl(crtc_state, plane_state);
/* Sizes are 0 based */
src_w--;