@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
@@ -99,17 +100,32 @@ static int dpu_crtc_verify_crc_source(struct drm_crtc *crtc,
return 0;
}
+static void dpu_crtc_setup_lm_misr(struct dpu_crtc_state *crtc_state)
+{
+ struct dpu_crtc_mixer *m;
+ int i;
+
+ for (i = 0; i < crtc_state->num_mixers; ++i) {
+ m = &crtc_state->mixers[i];
+
+ if (!m->hw_lm || !m->hw_lm->ops.setup_misr)
+ continue;
+
+ /* Calculate MISR over 1 frame */
+ m->hw_lm->ops.setup_misr(m->hw_lm, true, 1);
+ }
+}
+
static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name)
{
enum dpu_crtc_crc_source source = dpu_crtc_parse_crc_source(src_name);
enum dpu_crtc_crc_source current_source;
struct dpu_crtc_state *crtc_state;
struct drm_device *drm_dev = crtc->dev;
- struct dpu_crtc_mixer *m;
bool was_enabled;
bool enable = false;
- int i, ret = 0;
+ int ret = 0;
if (source < 0) {
DRM_DEBUG_DRIVER("Invalid CRC source %s for CRTC%d\n", src_name, crtc->index);
@@ -146,16 +162,8 @@ static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name)
crtc_state->crc_frame_skip_count = 0;
- for (i = 0; i < crtc_state->num_mixers; ++i) {
- m = &crtc_state->mixers[i];
-
- if (!m->hw_lm || !m->hw_lm->ops.setup_misr)
- continue;
-
- /* Calculate MISR over 1 frame */
- m->hw_lm->ops.setup_misr(m->hw_lm, true, 1);
- }
-
+ if (source == DPU_CRTC_CRC_SOURCE_LAYER_MIXER)
+ dpu_crtc_setup_lm_misr(crtc_state);
cleanup:
drm_modeset_unlock(&crtc->mutex);
@@ -174,34 +182,24 @@ static u32 dpu_crtc_get_vblank_counter(struct drm_crtc *crtc)
return dpu_encoder_get_vsync_count(encoder);
}
-
-static int dpu_crtc_get_crc(struct drm_crtc *crtc)
+static int dpu_crtc_get_lm_crc(struct drm_crtc *crtc, struct dpu_crtc_state *crtc_state)
{
- struct dpu_crtc_state *crtc_state;
- struct dpu_crtc_mixer *m;
+ struct dpu_crtc_mixer *lm;
u32 crcs[CRTC_DUAL_MIXERS];
- int i = 0;
int rc = 0;
-
- crtc_state = to_dpu_crtc_state(crtc->state);
+ int i;
BUILD_BUG_ON(ARRAY_SIZE(crcs) != ARRAY_SIZE(crtc_state->mixers));
- /* Skip first 2 frames in case of "uncooked" CRCs */
- if (crtc_state->crc_frame_skip_count < 2) {
- crtc_state->crc_frame_skip_count++;
- return 0;
- }
-
for (i = 0; i < crtc_state->num_mixers; ++i) {
- m = &crtc_state->mixers[i];
+ lm = &crtc_state->mixers[i];
- if (!m->hw_lm || !m->hw_lm->ops.collect_misr)
+ if (!lm->hw_lm || !lm->hw_lm->ops.collect_misr)
continue;
- rc = m->hw_lm->ops.collect_misr(m->hw_lm, &crcs[i]);
+ rc = lm->hw_lm->ops.collect_misr(lm->hw_lm, &crcs[i]);
if (rc) {
if (rc != -ENODATA)
@@ -214,6 +212,24 @@ static int dpu_crtc_get_crc(struct drm_crtc *crtc)
drm_crtc_accurate_vblank_count(crtc), crcs);
}
+static int dpu_crtc_get_crc(struct drm_crtc *crtc)
+{
+ struct dpu_crtc_state *crtc_state;
+
+ crtc_state = to_dpu_crtc_state(crtc->state);
+
+ /* Skip first 2 frames in case of "uncooked" CRCs */
+ if (crtc_state->crc_frame_skip_count < 2) {
+ crtc_state->crc_frame_skip_count++;
+ return 0;
+ }
+
+ if (crtc_state->crc_source == DPU_CRTC_CRC_SOURCE_LAYER_MIXER)
+ return dpu_crtc_get_lm_crc(crtc, crtc_state);
+
+ return 0;
+}
+
static bool dpu_crtc_get_scanout_position(struct drm_crtc *crtc,
bool in_vblank_irq,
int *vpos, int *hpos,
Move layer mixer-specific section of dpu_crtc_get_crc() into a separate helper method. This way, we can make it easier to get CRCs from other HW blocks by adding other get_crc helper methods. Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 72 +++++++++++++++--------- 1 file changed, 44 insertions(+), 28 deletions(-)