diff options
author | Matt Roper <matthew.d.roper@intel.com> | 2015-09-24 15:53:18 -0700 |
---|---|---|
committer | Matt Roper <matthew.d.roper@intel.com> | 2015-10-21 14:55:06 -0700 |
commit | aa363136866caa636031284f13ea0f730c64fca9 (patch) | |
tree | 4a1fe17d59c9949f8f85172e0d0e5da2945b5570 /drivers/gpu/drm/i915/intel_pm.c | |
parent | 19b8d3875e21f4f7e5c999350892f1a788f4e977 (diff) | |
download | op-kernel-dev-aa363136866caa636031284f13ea0f730c64fca9.zip op-kernel-dev-aa363136866caa636031284f13ea0f730c64fca9.tar.gz |
drm/i915: Calculate watermark configuration during atomic check (v2)
v2: Don't forget to actually check the cstate->active value when
tallying up the number of active CRTC's. (Ander)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/59561/
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 64 |
1 files changed, 12 insertions, 52 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 4a6fa32..7b110cd 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1715,13 +1715,6 @@ struct ilk_wm_maximums { uint16_t fbc; }; -/* used in computing the new watermarks state */ -struct intel_wm_config { - unsigned int num_pipes_active; - bool sprites_enabled; - bool sprites_scaled; -}; - /* * For both WM_PIPE and WM_LP. * mem_value must be in 0.1us units. @@ -2251,24 +2244,6 @@ static void skl_setup_wm_latency(struct drm_device *dev) intel_print_wm_latency(dev, "Gen9 Plane", dev_priv->wm.skl_latency); } -static void ilk_compute_wm_config(struct drm_device *dev, - struct intel_wm_config *config) -{ - struct intel_crtc *intel_crtc; - - /* Compute the currently _active_ config */ - for_each_intel_crtc(dev, intel_crtc) { - const struct intel_pipe_wm *wm = &intel_crtc->wm.active.ilk; - - if (!wm->pipe_enabled) - continue; - - config->sprites_enabled |= wm->sprites_enabled; - config->sprites_scaled |= wm->sprites_scaled; - config->num_pipes_active++; - } -} - /* Compute new watermarks for the pipe */ static int ilk_compute_pipe_wm(struct intel_crtc *intel_crtc, struct drm_atomic_state *state) @@ -2917,11 +2892,12 @@ skl_get_total_relative_data_rate(const struct intel_crtc_state *cstate) static void skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, - const struct intel_wm_config *config, struct skl_ddb_allocation *ddb /* out */) { struct drm_crtc *crtc = cstate->base.crtc; struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_wm_config *config = &dev_priv->wm.config; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_plane *intel_plane; enum pipe pipe = intel_crtc->pipe; @@ -3096,15 +3072,6 @@ static bool skl_ddb_allocation_changed(const struct skl_ddb_allocation *new_ddb, return false; } -static void skl_compute_wm_global_parameters(struct drm_device *dev, - struct intel_wm_config *config) -{ - struct drm_crtc *crtc; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - config->num_pipes_active += to_intel_crtc(crtc)->active; -} - static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, struct intel_crtc_state *cstate, struct intel_plane *intel_plane, @@ -3507,14 +3474,13 @@ static void skl_flush_wm_values(struct drm_i915_private *dev_priv, } static bool skl_update_pipe_wm(struct drm_crtc *crtc, - struct intel_wm_config *config, struct skl_ddb_allocation *ddb, /* out */ struct skl_pipe_wm *pipe_wm /* out */) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); - skl_allocate_pipe_ddb(cstate, config, ddb); + skl_allocate_pipe_ddb(cstate, ddb); skl_compute_pipe_wm(cstate, ddb, pipe_wm); if (!memcmp(&intel_crtc->wm.active.skl, pipe_wm, sizeof(*pipe_wm))) @@ -3527,7 +3493,6 @@ static bool skl_update_pipe_wm(struct drm_crtc *crtc, static void skl_update_other_pipe_wm(struct drm_device *dev, struct drm_crtc *crtc, - struct intel_wm_config *config, struct skl_wm_values *r) { struct intel_crtc *intel_crtc; @@ -3557,7 +3522,7 @@ static void skl_update_other_pipe_wm(struct drm_device *dev, if (!intel_crtc->active) continue; - wm_changed = skl_update_pipe_wm(&intel_crtc->base, config, + wm_changed = skl_update_pipe_wm(&intel_crtc->base, &r->ddb, &pipe_wm); /* @@ -3600,7 +3565,6 @@ static void skl_update_wm(struct drm_crtc *crtc) struct skl_wm_values *results = &dev_priv->wm.skl_results; struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); struct skl_pipe_wm *pipe_wm = &cstate->wm.optimal.skl; - struct intel_wm_config config = {}; /* Clear all dirty flags */ @@ -3608,15 +3572,13 @@ static void skl_update_wm(struct drm_crtc *crtc) skl_clear_wm(results, intel_crtc->pipe); - skl_compute_wm_global_parameters(dev, &config); - - if (!skl_update_pipe_wm(crtc, &config, &results->ddb, pipe_wm)) + if (!skl_update_pipe_wm(crtc, &results->ddb, pipe_wm)) return; skl_compute_wm_results(dev, pipe_wm, results, intel_crtc); results->dirty[intel_crtc->pipe] = true; - skl_update_other_pipe_wm(dev, crtc, &config, results); + skl_update_other_pipe_wm(dev, crtc, results); skl_write_wm_values(dev_priv, results); skl_flush_wm_values(dev_priv, results); @@ -3629,20 +3591,18 @@ static void ilk_program_watermarks(struct drm_i915_private *dev_priv) struct drm_device *dev = dev_priv->dev; struct intel_pipe_wm lp_wm_1_2 = {}, lp_wm_5_6 = {}, *best_lp_wm; struct ilk_wm_maximums max; - struct intel_wm_config config = {}; + struct intel_wm_config *config = &dev_priv->wm.config; struct ilk_wm_values results = {}; enum intel_ddb_partitioning partitioning; - ilk_compute_wm_config(dev, &config); - - ilk_compute_wm_maximums(dev, 1, &config, INTEL_DDB_PART_1_2, &max); - ilk_wm_merge(dev, &config, &max, &lp_wm_1_2); + ilk_compute_wm_maximums(dev, 1, config, INTEL_DDB_PART_1_2, &max); + ilk_wm_merge(dev, config, &max, &lp_wm_1_2); /* 5/6 split only in single pipe config on IVB+ */ if (INTEL_INFO(dev)->gen >= 7 && - config.num_pipes_active == 1 && config.sprites_enabled) { - ilk_compute_wm_maximums(dev, 1, &config, INTEL_DDB_PART_5_6, &max); - ilk_wm_merge(dev, &config, &max, &lp_wm_5_6); + config->num_pipes_active == 1 && config->sprites_enabled) { + ilk_compute_wm_maximums(dev, 1, config, INTEL_DDB_PART_5_6, &max); + ilk_wm_merge(dev, config, &max, &lp_wm_5_6); best_lp_wm = ilk_find_best_result(dev, &lp_wm_1_2, &lp_wm_5_6); } else { |