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drm/i915: Move LP1+ watermark merging out from hsw_compute_wm_results() 

I want to convert hsw_find_best_result() to use intel_pipe_wm, so we
need to move the merging to happen outside hsw_compute_wm_results().

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 2013-10-09 19:17:57 +03:00 committed by Daniel Vetter
parent 7c4a395ff8
commit 0362c7816c
1 changed files with 10 additions and 9 deletions
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19
drivers/gpu/drm/i915/intel_pm.c
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@ -2716,26 +2716,23 @@ static void ilk_wm_merge(struct drm_device *dev,
}
static void hsw_compute_wm_results(struct drm_device *dev,
const struct hsw_wm_maximums *lp_maximums,
const struct intel_pipe_wm *merged,
struct hsw_wm_values *results)
{
struct intel_crtc *intel_crtc;
int level, wm_lp;
struct intel_pipe_wm merged = {};
ilk_wm_merge(dev, lp_maximums, &merged);
memset(results, 0, sizeof(*results));
results->enable_fbc_wm = merged.fbc_wm_enabled;
results->enable_fbc_wm = merged->fbc_wm_enabled;
/* LP1+ register values */
for (wm_lp = 1; wm_lp <= 3; wm_lp++) {
const struct intel_wm_level *r;
level = wm_lp + (wm_lp >= 2 && merged.wm[4].enable);
level = wm_lp + (wm_lp >= 2 && merged->wm[4].enable);
r = &merged.wm[level];
r = &merged->wm[level];
if (!r->enable)
break;
@ -2897,6 +2894,7 @@ static void haswell_update_wm(struct drm_crtc *crtc)
struct hsw_wm_values results_1_2, results_5_6, *best_results;
enum intel_ddb_partitioning partitioning;
struct intel_pipe_wm pipe_wm = {};
struct intel_pipe_wm lp_wm_1_2 = {}, lp_wm_5_6 = {};
hsw_compute_wm_parameters(crtc, &params, &lp_max_1_2, &lp_max_5_6);
@ -2907,9 +2905,12 @@ static void haswell_update_wm(struct drm_crtc *crtc)
intel_crtc->wm.active = pipe_wm;
hsw_compute_wm_results(dev, &lp_max_1_2, &results_1_2);
ilk_wm_merge(dev, &lp_max_1_2, &lp_wm_1_2);
ilk_wm_merge(dev, &lp_max_5_6, &lp_wm_5_6);
hsw_compute_wm_results(dev, &lp_wm_1_2, &results_1_2);
if (lp_max_1_2.pri != lp_max_5_6.pri) {
hsw_compute_wm_results(dev, &lp_max_5_6, &results_5_6);
hsw_compute_wm_results(dev, &lp_wm_5_6, &results_5_6);
best_results = hsw_find_best_result(&results_1_2, &results_5_6);
} else {
best_results = &results_1_2;