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drm/i915: Constify some watermark data

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hsw_pipe_wm_parameters and hsw_wm_maximums typically are read only. Make
them const.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.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:
Ville Syrjälä 2013-08-30 14:30:23 +03:00 committed by Daniel Vetter
parent f37fcc2a26
commit ac830fe1c3
1 changed files with 10 additions and 10 deletions
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20
drivers/gpu/drm/i915/intel_pm.c
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@ -2205,7 +2205,7 @@ struct intel_wm_config {
* For both WM_PIPE and WM_LP.
* mem_value must be in 0.1us units.
*/
static uint32_t ilk_compute_pri_wm(struct hsw_pipe_wm_parameters *params,
static uint32_t ilk_compute_pri_wm(const struct hsw_pipe_wm_parameters *params,
uint32_t mem_value,
bool is_lp)
{
@ -2234,7 +2234,7 @@ static uint32_t ilk_compute_pri_wm(struct hsw_pipe_wm_parameters *params,
* For both WM_PIPE and WM_LP.
* mem_value must be in 0.1us units.
*/
static uint32_t ilk_compute_spr_wm(struct hsw_pipe_wm_parameters *params,
static uint32_t ilk_compute_spr_wm(const struct hsw_pipe_wm_parameters *params,
uint32_t mem_value)
{
uint32_t method1, method2;
@ -2257,7 +2257,7 @@ static uint32_t ilk_compute_spr_wm(struct hsw_pipe_wm_parameters *params,
* For both WM_PIPE and WM_LP.
* mem_value must be in 0.1us units.
*/
static uint32_t ilk_compute_cur_wm(struct hsw_pipe_wm_parameters *params,
static uint32_t ilk_compute_cur_wm(const struct hsw_pipe_wm_parameters *params,
uint32_t mem_value)
{
if (!params->active || !params->cur.enabled)
@ -2271,7 +2271,7 @@ static uint32_t ilk_compute_cur_wm(struct hsw_pipe_wm_parameters *params,
}
/* Only for WM_LP. */
static uint32_t ilk_compute_fbc_wm(struct hsw_pipe_wm_parameters *params,
static uint32_t ilk_compute_fbc_wm(const struct hsw_pipe_wm_parameters *params,
uint32_t pri_val)
{
if (!params->active || !params->pri.enabled)
@ -2422,7 +2422,7 @@ static bool ilk_check_wm(int level,
static void ilk_compute_wm_level(struct drm_i915_private *dev_priv,
int level,
struct hsw_pipe_wm_parameters *p,
const struct hsw_pipe_wm_parameters *p,
struct intel_wm_level *result)
{
uint16_t pri_latency = dev_priv->wm.pri_latency[level];
@ -2444,8 +2444,8 @@ static void ilk_compute_wm_level(struct drm_i915_private *dev_priv,
}
static bool hsw_compute_lp_wm(struct drm_i915_private *dev_priv,
int level, struct hsw_wm_maximums *max,
struct hsw_pipe_wm_parameters *params,
int level, const struct hsw_wm_maximums *max,
const struct hsw_pipe_wm_parameters *params,
struct intel_wm_level *result)
{
enum pipe pipe;
@ -2465,7 +2465,7 @@ static bool hsw_compute_lp_wm(struct drm_i915_private *dev_priv,
static uint32_t hsw_compute_wm_pipe(struct drm_i915_private *dev_priv,
enum pipe pipe,
struct hsw_pipe_wm_parameters *params)
const struct hsw_pipe_wm_parameters *params)
{
uint32_t pri_val, cur_val, spr_val;
/* WM0 latency values stored in 0.1us units */
@ -2673,8 +2673,8 @@ static void hsw_compute_wm_parameters(struct drm_device *dev,
}
static void hsw_compute_wm_results(struct drm_device *dev,
struct hsw_pipe_wm_parameters *params,
struct hsw_wm_maximums *lp_maximums,
const struct hsw_pipe_wm_parameters *params,
const struct hsw_wm_maximums *lp_maximums,
struct hsw_wm_values *results)
{
struct drm_i915_private *dev_priv = dev->dev_private;