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drm/i915: make intel_crtc_load_lut static

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And move it so it doesn't need a forward declaration.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-09-24 13:52:55 -03:00 committed by Daniel Vetter
parent e0638cdf2d
commit d77e4531bd
2 changed files with 78 additions and 79 deletions
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156
drivers/gpu/drm/i915/intel_display.c
View File

@ -3282,6 +3282,84 @@ static void intel_disable_planes(struct drm_crtc *crtc)
intel_plane_disable(&intel_plane->base);
}
static void hsw_enable_ips(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
if (!crtc->config.ips_enabled)
return;
/* We can only enable IPS after we enable a plane and wait for a vblank.
* We guarantee that the plane is enabled by calling intel_enable_ips
* only after intel_enable_plane. And intel_enable_plane already waits
* for a vblank, so all we need to do here is to enable the IPS bit. */
assert_plane_enabled(dev_priv, crtc->plane);
I915_WRITE(IPS_CTL, IPS_ENABLE);
}
static void hsw_disable_ips(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
if (!crtc->config.ips_enabled)
return;
assert_plane_enabled(dev_priv, crtc->plane);
I915_WRITE(IPS_CTL, 0);
POSTING_READ(IPS_CTL);
/* We need to wait for a vblank before we can disable the plane. */
intel_wait_for_vblank(dev, crtc->pipe);
}
/** Loads the palette/gamma unit for the CRTC with the prepared values */
static void intel_crtc_load_lut(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum pipe pipe = intel_crtc->pipe;
int palreg = PALETTE(pipe);
int i;
bool reenable_ips = false;
/* The clocks have to be on to load the palette. */
if (!crtc->enabled || !intel_crtc->active)
return;
if (!HAS_PCH_SPLIT(dev_priv->dev)) {
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI))
assert_dsi_pll_enabled(dev_priv);
else
assert_pll_enabled(dev_priv, pipe);
}
/* use legacy palette for Ironlake */
if (HAS_PCH_SPLIT(dev))
palreg = LGC_PALETTE(pipe);
/* Workaround : Do not read or write the pipe palette/gamma data while
* GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
*/
if (intel_crtc->config.ips_enabled &&
((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) ==
GAMMA_MODE_MODE_SPLIT)) {
hsw_disable_ips(intel_crtc);
reenable_ips = true;
}
for (i = 0; i < 256; i++) {
I915_WRITE(palreg + 4 * i,
(intel_crtc->lut_r[i] << 16) |
(intel_crtc->lut_g[i] << 8) |
intel_crtc->lut_b[i]);
}
if (reenable_ips)
hsw_enable_ips(intel_crtc);
}
static void ironlake_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@ -3360,37 +3438,6 @@ static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A;
}
static void hsw_enable_ips(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
if (!crtc->config.ips_enabled)
return;
/* We can only enable IPS after we enable a plane and wait for a vblank.
* We guarantee that the plane is enabled by calling intel_enable_ips
* only after intel_enable_plane. And intel_enable_plane already waits
* for a vblank, so all we need to do here is to enable the IPS bit. */
assert_plane_enabled(dev_priv, crtc->plane);
I915_WRITE(IPS_CTL, IPS_ENABLE);
}
static void hsw_disable_ips(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
if (!crtc->config.ips_enabled)
return;
assert_plane_enabled(dev_priv, crtc->plane);
I915_WRITE(IPS_CTL, 0);
POSTING_READ(IPS_CTL);
/* We need to wait for a vblank before we can disable the plane. */
intel_wait_for_vblank(dev, crtc->pipe);
}
static void haswell_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@ -6786,53 +6833,6 @@ void intel_write_eld(struct drm_encoder *encoder,
dev_priv->display.write_eld(connector, crtc);
}
/** Loads the palette/gamma unit for the CRTC with the prepared values */
void intel_crtc_load_lut(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum pipe pipe = intel_crtc->pipe;
int palreg = PALETTE(pipe);
int i;
bool reenable_ips = false;
/* The clocks have to be on to load the palette. */
if (!crtc->enabled || !intel_crtc->active)
return;
if (!HAS_PCH_SPLIT(dev_priv->dev)) {
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI))
assert_dsi_pll_enabled(dev_priv);
else
assert_pll_enabled(dev_priv, pipe);
}
/* use legacy palette for Ironlake */
if (HAS_PCH_SPLIT(dev))
palreg = LGC_PALETTE(pipe);
/* Workaround : Do not read or write the pipe palette/gamma data while
* GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
*/
if (intel_crtc->config.ips_enabled &&
((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) ==
GAMMA_MODE_MODE_SPLIT)) {
hsw_disable_ips(intel_crtc);
reenable_ips = true;
}
for (i = 0; i < 256; i++) {
I915_WRITE(palreg + 4 * i,
(intel_crtc->lut_r[i] << 16) |
(intel_crtc->lut_g[i] << 8) |
intel_crtc->lut_b[i]);
}
if (reenable_ips)
hsw_enable_ips(intel_crtc);
}
static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
{
struct drm_device *dev = crtc->dev;

1
drivers/gpu/drm/i915/intel_drv.h
View File

@ -613,7 +613,6 @@ extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *ring);
extern void intel_mark_idle(struct drm_device *dev);
extern void intel_crtc_restore_mode(struct drm_crtc *crtc);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_crtc_update_dpms(struct drm_crtc *crtc);
extern void intel_encoder_destroy(struct drm_encoder *encoder);
extern void intel_connector_dpms(struct drm_connector *, int mode);