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drm/i915: Constify the drm_i915_private pointer a bit more

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A lot of the WM functions are only reading from that structure and are
already using const. While converting the code to use dev_priv instead
of dev, I noticed a few places where we can give that hint.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-01-06 19:17:23 +00:00 committed by Daniel Vetter
parent d330a9530c
commit d34ff9c66d
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/i915/intel_pm.c
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@ -1889,7 +1889,7 @@ static unsigned int ilk_cursor_wm_max(const struct drm_device *dev,
}
/* Calculate the maximum FBC watermark */
static unsigned int ilk_fbc_wm_max(struct drm_device *dev)
static unsigned int ilk_fbc_wm_max(const struct drm_device *dev)
{
/* max that registers can hold */
if (INTEL_INFO(dev)->gen >= 8)
@ -1898,7 +1898,7 @@ static unsigned int ilk_fbc_wm_max(struct drm_device *dev)
return 15;
}
static void ilk_compute_wm_maximums(struct drm_device *dev,
static void ilk_compute_wm_maximums(const struct drm_device *dev,
int level,
const struct intel_wm_config *config,
enum intel_ddb_partitioning ddb_partitioning,
@ -1951,7 +1951,7 @@ static bool ilk_validate_wm_level(int level,
return ret;
}
static void ilk_compute_wm_level(struct drm_i915_private *dev_priv,
static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv,
int level,
const struct ilk_pipe_wm_parameters *p,
struct intel_wm_level *result)
@ -2143,7 +2143,7 @@ static bool intel_compute_pipe_wm(struct drm_crtc *crtc,
struct intel_pipe_wm *pipe_wm)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
const struct drm_i915_private *dev_priv = dev->dev_private;
int level, max_level = ilk_wm_max_level(dev);
/* LP0 watermark maximums depend on this pipe alone */
struct intel_wm_config config = {