Check for any updates on drm_crtc property histogram_enable and histogram_iet_updated and call/act accordingly to update histogram or update the image enhancement LUT data API defined in i915 histogram. Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_atomic.c | 1 + drivers/gpu/drm/i915/display/intel_crtc.c | 7 +++++++ drivers/gpu/drm/i915/display/intel_display.c | 17 +++++++++++++++++ .../gpu/drm/i915/display/intel_display_types.h | 2 ++ 4 files changed, 27 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index 03dc54c802d3..dff130b3565a 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -278,6 +278,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc) crtc_state->dsb_color_vblank = NULL; crtc_state->dsb_commit = NULL; crtc_state->use_dsb = false; + crtc_state->histogram_updated = false; return &crtc_state->uapi; } diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index a2c528d707f4..0c8741ca9a71 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -27,6 +27,7 @@ #include "intel_drrs.h" #include "intel_dsi.h" #include "intel_fifo_underrun.h" +#include "intel_histogram.h" #include "intel_pipe_crc.h" #include "intel_psr.h" #include "intel_sprite.h" @@ -210,6 +211,7 @@ static struct intel_crtc *intel_crtc_alloc(void) static void intel_crtc_free(struct intel_crtc *crtc) { intel_crtc_destroy_state(&crtc->base, crtc->base.state); + intel_histogram_finish(crtc); kfree(crtc); } @@ -380,10 +382,15 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) BIT(DRM_SCALING_FILTER_DEFAULT) | BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR)); + if (drm_crtc_create_histogram_property(&crtc->base)) + drm_err(&dev_priv->drm, "Failed to initialize histogram properties\n"); + intel_color_crtc_init(crtc); intel_drrs_crtc_init(crtc); intel_crtc_crc_init(crtc); + intel_histogram_init(crtc); + cpu_latency_qos_add_request(&crtc->vblank_pm_qos, PM_QOS_DEFAULT_VALUE); drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe); diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 35c8904ecf44..fb393e5a4c84 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -93,6 +93,7 @@ #include "intel_fifo_underrun.h" #include "intel_frontbuffer.h" #include "intel_hdmi.h" +#include "intel_histogram.h" #include "intel_hotplug.h" #include "intel_link_bw.h" #include "intel_lvds.h" @@ -4612,6 +4613,12 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, if (ret) return ret; + if (crtc_state->histogram_updated) { + ret = intel_histogram_atomic_check(crtc); + if (ret) + return ret; + } + return 0; } @@ -6832,6 +6839,10 @@ int intel_atomic_check(struct drm_device *dev, if (new_crtc_state->uapi.scaling_filter != old_crtc_state->uapi.scaling_filter) new_crtc_state->uapi.mode_changed = true; + + if (new_crtc_state->uapi.histogram_enable |= + old_crtc_state->uapi.histogram_enable) + new_crtc_state->histogram_updated = true; } intel_vrr_check_modeset(state); @@ -7900,6 +7911,12 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) */ old_crtc_state->dsb_color_vblank = fetch_and_zero(&new_crtc_state->dsb_color_vblank); old_crtc_state->dsb_commit = fetch_and_zero(&new_crtc_state->dsb_commit); + + if (new_crtc_state->histogram_updated) + intel_histogram_update(crtc, crtc->base.state->histogram_enable); + if (new_crtc_state->uapi.histogram_iet_updated) + intel_histogram_set_iet_lut(crtc, + new_crtc_state->uapi.histogram_iet); } /* Underruns don't always raise interrupts, so check manually */ diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 0f50081b9957..15f4bd3ccc62 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1317,6 +1317,8 @@ struct intel_crtc_state { /* LOBF flag */ bool has_lobf; + + bool histogram_updated; }; enum intel_pipe_crc_source { -- 2.25.1