diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 62 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 90 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_frontbuffer.c | 55 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 18 |
6 files changed, 8 insertions, 227 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 92a38ff..ea9caf2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1806,9 +1806,6 @@ struct drm_i915_private { /* Reclocking support */ bool render_reclock_avail; - bool lvds_downclock_avail; - /* indicates the reduced downclock for LVDS*/ - int lvds_downclock; struct i915_frontbuffer_tracking fb_tracking; @@ -2562,7 +2559,6 @@ struct i915_params { int modeset; int panel_ignore_lid; int semaphores; - unsigned int lvds_downclock; int lvds_channel_mode; int panel_use_ssc; int vbt_sdvo_panel_type; diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 18f6559..7983fe4 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -28,7 +28,6 @@ struct i915_params i915 __read_mostly = { .modeset = -1, .panel_ignore_lid = 1, .semaphores = -1, - .lvds_downclock = 0, .lvds_channel_mode = 0, .panel_use_ssc = -1, .vbt_sdvo_panel_type = -1, @@ -84,11 +83,6 @@ MODULE_PARM_DESC(enable_fbc, "Enable frame buffer compression for power savings " "(default: -1 (use per-chip default))"); -module_param_named(lvds_downclock, i915.lvds_downclock, int, 0400); -MODULE_PARM_DESC(lvds_downclock, - "Use panel (LVDS/eDP) downclocking for power savings " - "(default: false)"); - module_param_named(lvds_channel_mode, i915.lvds_channel_mode, int, 0600); MODULE_PARM_DESC(lvds_channel_mode, "Specify LVDS channel mode " diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 198fc3c..2ff9eb0 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -122,42 +122,6 @@ fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode, drm_mode_set_name(panel_fixed_mode); } -static bool -lvds_dvo_timing_equal_size(const struct lvds_dvo_timing *a, - const struct lvds_dvo_timing *b) -{ - if (a->hactive_hi != b->hactive_hi || - a->hactive_lo != b->hactive_lo) - return false; - - if (a->hsync_off_hi != b->hsync_off_hi || - a->hsync_off_lo != b->hsync_off_lo) - return false; - - if (a->hsync_pulse_width != b->hsync_pulse_width) - return false; - - if (a->hblank_hi != b->hblank_hi || - a->hblank_lo != b->hblank_lo) - return false; - - if (a->vactive_hi != b->vactive_hi || - a->vactive_lo != b->vactive_lo) - return false; - - if (a->vsync_off != b->vsync_off) - return false; - - if (a->vsync_pulse_width != b->vsync_pulse_width) - return false; - - if (a->vblank_hi != b->vblank_hi || - a->vblank_lo != b->vblank_lo) - return false; - - return true; -} - static const struct lvds_dvo_timing * get_lvds_dvo_timing(const struct bdb_lvds_lfp_data *lvds_lfp_data, const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs, @@ -213,7 +177,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, const struct lvds_dvo_timing *panel_dvo_timing; const struct lvds_fp_timing *fp_timing; struct drm_display_mode *panel_fixed_mode; - int i, downclock, drrs_mode; + int drrs_mode; lvds_options = find_section(bdb, BDB_LVDS_OPTIONS); if (!lvds_options) @@ -272,30 +236,6 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("Found panel mode in BIOS VBT tables:\n"); drm_mode_debug_printmodeline(panel_fixed_mode); - /* - * Iterate over the LVDS panel timing info to find the lowest clock - * for the native resolution. - */ - downclock = panel_dvo_timing->clock; - for (i = 0; i < 16; i++) { - const struct lvds_dvo_timing *dvo_timing; - - dvo_timing = get_lvds_dvo_timing(lvds_lfp_data, - lvds_lfp_data_ptrs, - i); - if (lvds_dvo_timing_equal_size(dvo_timing, panel_dvo_timing) && - dvo_timing->clock < downclock) - downclock = dvo_timing->clock; - } - - if (downclock < panel_dvo_timing->clock && i915.lvds_downclock) { - dev_priv->lvds_downclock_avail = 1; - dev_priv->lvds_downclock = downclock * 10; - DRM_DEBUG_KMS("LVDS downclock is found in VBT. " - "Normal Clock %dKHz, downclock %dKHz\n", - panel_fixed_mode->clock, 10*downclock); - } - fp_timing = get_lvds_fp_timing(bdb, lvds_lfp_data, lvds_lfp_data_ptrs, lvds_options->panel_type); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 47c0501..6851943 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7754,9 +7754,9 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; int refclk, num_connectors = 0; - intel_clock_t clock, reduced_clock; - bool ok, has_reduced_clock = false; - bool is_lvds = false, is_dsi = false; + intel_clock_t clock; + bool ok; + bool is_dsi = false; struct intel_encoder *encoder; const intel_limit_t *limit; struct drm_atomic_state *state = crtc_state->base.state; @@ -7774,9 +7774,6 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, encoder = to_intel_encoder(connector_state->best_encoder); switch (encoder->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; case INTEL_OUTPUT_DSI: is_dsi = true; break; @@ -7808,19 +7805,6 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - if (is_lvds && dev_priv->lvds_downclock_avail) { - /* - * Ensure we match the reduced clock's P to the target - * clock. If the clocks don't match, we can't switch - * the display clock by using the FP0/FP1. In such case - * we will disable the LVDS downclock feature. - */ - has_reduced_clock = - dev_priv->display.find_dpll(limit, crtc_state, - dev_priv->lvds_downclock, - refclk, &clock, - &reduced_clock); - } /* Compat-code for transition, will disappear. */ crtc_state->dpll.n = clock.n; crtc_state->dpll.m1 = clock.m1; @@ -7830,16 +7814,14 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, } if (IS_GEN2(dev)) { - i8xx_compute_dpll(crtc, crtc_state, - has_reduced_clock ? &reduced_clock : NULL, + i8xx_compute_dpll(crtc, crtc_state, NULL, num_connectors); } else if (IS_CHERRYVIEW(dev)) { chv_compute_dpll(crtc, crtc_state); } else if (IS_VALLEYVIEW(dev)) { vlv_compute_dpll(crtc, crtc_state); } else { - i9xx_compute_dpll(crtc, crtc_state, - has_reduced_clock ? &reduced_clock : NULL, + i9xx_compute_dpll(crtc, crtc_state, NULL, num_connectors); } @@ -8651,9 +8633,7 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc, struct drm_i915_private *dev_priv = dev->dev_private; int refclk; const intel_limit_t *limit; - bool ret, is_lvds = false; - - is_lvds = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS); + bool ret; refclk = ironlake_get_refclk(crtc_state); @@ -8669,20 +8649,6 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc, if (!ret) return false; - if (is_lvds && dev_priv->lvds_downclock_avail) { - /* - * Ensure we match the reduced clock's P to the target clock. - * If the clocks don't match, we can't switch the display clock - * by using the FP0/FP1. In such case we will disable the LVDS - * downclock feature. - */ - *has_reduced_clock = - dev_priv->display.find_dpll(limit, crtc_state, - dev_priv->lvds_downclock, - refclk, clock, - reduced_clock); - } - return true; } @@ -10620,42 +10586,6 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, return mode; } -static void intel_decrease_pllclock(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); - - if (!HAS_GMCH_DISPLAY(dev)) - return; - - if (!dev_priv->lvds_downclock_avail) - return; - - /* - * Since this is called by a timer, we should never get here in - * the manual case. - */ - if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { - int pipe = intel_crtc->pipe; - int dpll_reg = DPLL(pipe); - int dpll; - - DRM_DEBUG_DRIVER("downclocking LVDS\n"); - - assert_panel_unlocked(dev_priv, pipe); - - dpll = I915_READ(dpll_reg); - dpll |= DISPLAY_RATE_SELECT_FPA1; - I915_WRITE(dpll_reg, dpll); - intel_wait_for_vblank(dev, pipe); - dpll = I915_READ(dpll_reg); - if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) - DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); - } - -} - void intel_mark_busy(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -10673,20 +10603,12 @@ void intel_mark_busy(struct drm_device *dev) void intel_mark_idle(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc; if (!dev_priv->mm.busy) return; dev_priv->mm.busy = false; - for_each_crtc(dev, crtc) { - if (!crtc->primary->fb) - continue; - - intel_decrease_pllclock(crtc); - } - if (INTEL_INFO(dev)->gen >= 6) gen6_rps_idle(dev->dev_private); diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c index 16e699d..6e90e2b 100644 --- a/drivers/gpu/drm/i915/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/intel_frontbuffer.c @@ -65,57 +65,6 @@ #include "intel_drv.h" #include "i915_drv.h" -static void intel_increase_pllclock(struct drm_device *dev, - enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int dpll_reg = DPLL(pipe); - int dpll; - - if (!HAS_GMCH_DISPLAY(dev)) - return; - - if (!dev_priv->lvds_downclock_avail) - return; - - dpll = I915_READ(dpll_reg); - if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { - DRM_DEBUG_DRIVER("upclocking LVDS\n"); - - assert_panel_unlocked(dev_priv, pipe); - - dpll &= ~DISPLAY_RATE_SELECT_FPA1; - I915_WRITE(dpll_reg, dpll); - intel_wait_for_vblank(dev, pipe); - - dpll = I915_READ(dpll_reg); - if (dpll & DISPLAY_RATE_SELECT_FPA1) - DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); - } -} - -/** - * intel_mark_fb_busy - mark given planes as busy - * @dev: DRM device - * @frontbuffer_bits: bits for the affected planes - * - * This function gets called every time the screen contents change. It can be - * used to keep e.g. the update rate at the nominal refresh rate with DRRS. - */ -static void intel_mark_fb_busy(struct drm_device *dev, - unsigned frontbuffer_bits) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - enum pipe pipe; - - for_each_pipe(dev_priv, pipe) { - if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe))) - continue; - - intel_increase_pllclock(dev, pipe); - } -} - /** * intel_fb_obj_invalidate - invalidate frontbuffer object * @obj: GEM object to invalidate @@ -147,8 +96,6 @@ void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj, mutex_unlock(&dev_priv->fb_tracking.lock); } - intel_mark_fb_busy(dev, obj->frontbuffer_bits); - intel_psr_invalidate(dev, obj->frontbuffer_bits); intel_edp_drrs_invalidate(dev, obj->frontbuffer_bits); intel_fbc_invalidate(dev_priv, obj->frontbuffer_bits, origin); @@ -178,8 +125,6 @@ void intel_frontbuffer_flush(struct drm_device *dev, if (!frontbuffer_bits) return; - intel_mark_fb_busy(dev, frontbuffer_bits); - intel_edp_drrs_flush(dev, frontbuffer_bits); intel_psr_flush(dev, frontbuffer_bits); intel_fbc_flush(dev_priv, frontbuffer_bits); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index bf1702a..ea85547 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -1072,24 +1072,8 @@ void intel_lvds_init(struct drm_device *dev) drm_mode_debug_printmodeline(scan); fixed_mode = drm_mode_duplicate(dev, scan); - if (fixed_mode) { - downclock_mode = - intel_find_panel_downclock(dev, - fixed_mode, connector); - if (downclock_mode != NULL && - i915.lvds_downclock) { - /* We found the downclock for LVDS. */ - dev_priv->lvds_downclock_avail = true; - dev_priv->lvds_downclock = - downclock_mode->clock; - DRM_DEBUG_KMS("LVDS downclock is found" - " in EDID. Normal clock %dKhz, " - "downclock %dKhz\n", - fixed_mode->clock, - dev_priv->lvds_downclock); - } + if (fixed_mode) goto out; - } } } |
