diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/hsw_ips.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/hsw_ips.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/display/hsw_ips.c b/drivers/gpu/drm/i915/display/hsw_ips.c index 34c5d28fc866..674a0e5f0858 100644 --- a/drivers/gpu/drm/i915/display/hsw_ips.c +++ b/drivers/gpu/drm/i915/display/hsw_ips.c @@ -36,7 +36,7 @@ static void hsw_ips_enable(const struct intel_crtc_state *crtc_state) if (display->ips.false_color) val |= IPS_FALSE_COLOR; - if (IS_BROADWELL(i915)) { + if (display->platform.broadwell) { drm_WARN_ON(display->drm, snb_pcode_write(&i915->uncore, DISPLAY_IPS_CONTROL, val | IPS_PCODE_CONTROL)); @@ -71,7 +71,7 @@ bool hsw_ips_disable(const struct intel_crtc_state *crtc_state) if (!crtc_state->ips_enabled) return need_vblank_wait; - if (IS_BROADWELL(i915)) { + if (display->platform.broadwell) { drm_WARN_ON(display->drm, snb_pcode_write(&i915->uncore, DISPLAY_IPS_CONTROL, 0)); /* @@ -96,7 +96,7 @@ bool hsw_ips_disable(const struct intel_crtc_state *crtc_state) static bool hsw_ips_need_disable(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); const struct intel_crtc_state *old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); const struct intel_crtc_state *new_crtc_state = @@ -114,7 +114,7 @@ static bool hsw_ips_need_disable(struct intel_atomic_state *state, * * Disable IPS before we program the LUT. */ - if (IS_HASWELL(i915) && + if (display->platform.haswell && intel_crtc_needs_color_update(new_crtc_state) && new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT) return true; @@ -137,7 +137,7 @@ bool hsw_ips_pre_update(struct intel_atomic_state *state, static bool hsw_ips_need_enable(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); const struct intel_crtc_state *old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); const struct intel_crtc_state *new_crtc_state = @@ -155,7 +155,7 @@ static bool hsw_ips_need_enable(struct intel_atomic_state *state, * * Re-enable IPS after the LUT has been programmed. */ - if (IS_HASWELL(i915) && + if (display->platform.haswell && intel_crtc_needs_color_update(new_crtc_state) && new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT) return true; @@ -185,14 +185,15 @@ void hsw_ips_post_update(struct intel_atomic_state *state, /* IPS only exists on ULT machines and is tied to pipe A. */ bool hsw_crtc_supports_ips(struct intel_crtc *crtc) { - return HAS_IPS(to_i915(crtc->base.dev)) && crtc->pipe == PIPE_A; + struct intel_display *display = to_intel_display(crtc); + + return HAS_IPS(display) && crtc->pipe == PIPE_A; } -bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state) +static bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *i915 = to_i915(crtc->base.dev); /* IPS only exists on ULT machines and is tied to pipe A. */ if (!hsw_crtc_supports_ips(crtc)) @@ -211,17 +212,31 @@ bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state) * * Should measure whether using a lower cdclk w/o IPS */ - if (IS_BROADWELL(i915) && + if (display->platform.broadwell && crtc_state->pixel_rate > display->cdclk.max_cdclk_freq * 95 / 100) return false; return true; } +int hsw_ips_min_cdclk(const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + + if (!display->platform.broadwell) + return 0; + + if (!hsw_crtc_state_ips_capable(crtc_state)) + return 0; + + /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ + return DIV_ROUND_UP(crtc_state->pixel_rate * 100, 95); +} + int hsw_ips_compute_config(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); @@ -243,7 +258,7 @@ int hsw_ips_compute_config(struct intel_atomic_state *state, if (!(crtc_state->active_planes & ~BIT(PLANE_CURSOR))) return 0; - if (IS_BROADWELL(i915)) { + if (display->platform.broadwell) { const struct intel_cdclk_state *cdclk_state; cdclk_state = intel_atomic_get_cdclk_state(state); @@ -264,12 +279,11 @@ void hsw_ips_get_config(struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *i915 = to_i915(crtc->base.dev); if (!hsw_crtc_supports_ips(crtc)) return; - if (IS_HASWELL(i915)) { + if (display->platform.haswell) { crtc_state->ips_enabled = intel_de_read(display, IPS_CTL) & IPS_ENABLE; } else { /* |