]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
drm/amd/display: Adjust dm to use supported interfaces for setting multiple crc windows
authorWayne Lin <Wayne.Lin@amd.com>
Mon, 22 Jul 2024 10:29:25 +0000 (18:29 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 6 Jan 2025 19:44:26 +0000 (14:44 -0500)
[Why & How]
We actually have the capability to calculate independent CRC for 2 crc window
at the same time. Extend dm with the capability by having array to
configure/maintain multiple crc windows. Add the flexibility but use 1st CRC
instance only for now. Can change to use the 2nd CRC instance if needed.

Reviewed-by: HaoPing Liu <haoping.liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h

index e883703ebb68e2917d0e148af3aeeaf0a65e3901..a8933612966b7a2461bd7adccd0def7cd8028cad 100644 (file)
@@ -2155,6 +2155,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
        amdgpu_dm_crtc_secure_display_create_contexts(adev);
        if (!adev->dm.secure_display_ctx.crtc_ctx)
                DRM_ERROR("amdgpu: failed to initialize secure display contexts.\n");
+
+       if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(4, 0, 1))
+               adev->dm.secure_display_ctx.support_mul_roi = true;
+
 #endif
 
        DRM_DEBUG_DRIVER("KMS initialized.\n");
@@ -10027,14 +10031,19 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                        if (amdgpu_dm_is_valid_crc_source(cur_crc_src)) {
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
                                if (amdgpu_dm_crc_window_is_activated(crtc)) {
+                                       uint8_t cnt;
                                        spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
-                                       acrtc->dm_irq_params.window_param.update_win = true;
-
-                                       /**
-                                        * It takes 2 frames for HW to stably generate CRC when
-                                        * resuming from suspend, so we set skip_frame_cnt 2.
-                                        */
-                                       acrtc->dm_irq_params.window_param.skip_frame_cnt = 2;
+                                       for (cnt = 0; cnt < MAX_CRC_WINDOW_NUM; cnt++) {
+                                               if (acrtc->dm_irq_params.window_param[cnt].enable) {
+                                                       acrtc->dm_irq_params.window_param[cnt].update_win = true;
+
+                                                       /**
+                                                        * It takes 2 frames for HW to stably generate CRC when
+                                                        * resuming from suspend, so we set skip_frame_cnt 2.
+                                                        */
+                                                       acrtc->dm_irq_params.window_param[cnt].skip_frame_cnt = 2;
+                                               }
+                                       }
                                        spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
                                }
 #endif
index 5cc84dce001d71598e48f09fd76a8ebb39d7ff0e..a13cc6e67006b5dd8cbd80e10051638b971b564c 100644 (file)
@@ -295,33 +295,41 @@ static void amdgpu_dm_set_crc_window_default(struct drm_crtc *crtc, struct dc_st
        struct drm_device *drm_dev = crtc->dev;
        struct amdgpu_display_manager *dm = &drm_to_adev(drm_dev)->dm;
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
-       bool was_activated;
        struct amdgpu_dm_connector *aconnector;
+       bool was_activated;
        uint8_t phy_id;
+       unsigned long flags;
+       int i;
 
-       spin_lock_irq(&drm_dev->event_lock);
-       was_activated = acrtc->dm_irq_params.window_param.activated;
-       acrtc->dm_irq_params.window_param.x_start = 0;
-       acrtc->dm_irq_params.window_param.y_start = 0;
-       acrtc->dm_irq_params.window_param.x_end = 0;
-       acrtc->dm_irq_params.window_param.y_end = 0;
-       acrtc->dm_irq_params.window_param.activated = false;
-       acrtc->dm_irq_params.window_param.update_win = false;
-       acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
-       spin_unlock_irq(&drm_dev->event_lock);
+       spin_lock_irqsave(&drm_dev->event_lock, flags);
+       was_activated = acrtc->dm_irq_params.crc_window_activated;
+       for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) {
+               acrtc->dm_irq_params.window_param[i].x_start = 0;
+               acrtc->dm_irq_params.window_param[i].y_start = 0;
+               acrtc->dm_irq_params.window_param[i].x_end = 0;
+               acrtc->dm_irq_params.window_param[i].y_end = 0;
+               acrtc->dm_irq_params.window_param[i].enable = false;
+               acrtc->dm_irq_params.window_param[i].update_win = false;
+               acrtc->dm_irq_params.window_param[i].skip_frame_cnt = 0;
+       }
+       acrtc->dm_irq_params.crc_window_activated = false;
+       spin_unlock_irqrestore(&drm_dev->event_lock, flags);
 
        /* Disable secure_display if it was enabled */
        if (was_activated) {
                /* stop ROI update on this crtc */
                flush_work(&dm->secure_display_ctx.crtc_ctx[crtc->index].notify_ta_work);
                flush_work(&dm->secure_display_ctx.crtc_ctx[crtc->index].forward_roi_work);
-
                aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
 
-               if (aconnector && get_phy_id(dm, aconnector, &phy_id))
-                       dc_stream_forward_crc_window(stream, NULL, phy_id, true);
-               else
+               if (aconnector && get_phy_id(dm, aconnector, &phy_id)) {
+                       if (dm->secure_display_ctx.support_mul_roi)
+                               dc_stream_forward_multiple_crc_window(stream, NULL, phy_id, true);
+                       else
+                               dc_stream_forward_crc_window(stream, NULL, phy_id, true);
+               } else {
                        DRM_DEBUG_DRIVER("%s Can't find matching phy id", __func__);
+               }
        }
 }
 
@@ -393,6 +401,8 @@ amdgpu_dm_forward_crc_window(struct work_struct *work)
        struct drm_crtc *crtc;
        struct dc_stream_state *stream;
        struct amdgpu_dm_connector *aconnector;
+       struct crc_window roi_cpy[MAX_CRC_WINDOW_NUM];
+       unsigned long flags;
        uint8_t phy_id;
 
        crtc_ctx = container_of(work, struct secure_display_crtc_context, forward_roi_work);
@@ -416,9 +426,17 @@ amdgpu_dm_forward_crc_window(struct work_struct *work)
        }
        mutex_unlock(&crtc->dev->mode_config.mutex);
 
+       spin_lock_irqsave(&crtc->dev->event_lock, flags);
+       memcpy(roi_cpy, crtc_ctx->roi, sizeof(struct crc_window) * MAX_CRC_WINDOW_NUM);
+       spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+
        mutex_lock(&dm->dc_lock);
-       dc_stream_forward_crc_window(stream, &crtc_ctx->rect,
-               phy_id, false);
+       if (dm->secure_display_ctx.support_mul_roi)
+               dc_stream_forward_multiple_crc_window(stream, roi_cpy,
+                       phy_id, false);
+       else
+               dc_stream_forward_crc_window(stream, &roi_cpy[0].rect,
+                       phy_id, false);
        mutex_unlock(&dm->dc_lock);
 }
 
@@ -429,7 +447,7 @@ bool amdgpu_dm_crc_window_is_activated(struct drm_crtc *crtc)
        bool ret = false;
 
        spin_lock_irq(&drm_dev->event_lock);
-       ret = acrtc->dm_irq_params.window_param.activated;
+       ret = acrtc->dm_irq_params.crc_window_activated;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return ret;
@@ -726,7 +744,15 @@ void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc)
        struct amdgpu_crtc *acrtc = NULL;
        struct amdgpu_device *adev = NULL;
        struct secure_display_crtc_context *crtc_ctx = NULL;
+       bool reset_crc_frame_count[MAX_CRC_WINDOW_NUM] = {false};
+       uint32_t crc_r[MAX_CRC_WINDOW_NUM] = {0};
+       uint32_t crc_g[MAX_CRC_WINDOW_NUM] = {0};
+       uint32_t crc_b[MAX_CRC_WINDOW_NUM] = {0};
        unsigned long flags1;
+       bool forward_roi_change = false;
+       bool notify_ta = false;
+       bool all_crc_ready = true;
+       int i;
 
        if (crtc == NULL)
                return;
@@ -740,15 +766,14 @@ void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc)
 
        /* Early return if CRC capture is not enabled. */
        if (!amdgpu_dm_is_valid_crc_source(cur_crc_src) ||
-               !dm_is_crc_source_crtc(cur_crc_src))
-               goto cleanup;
-
-       if (!acrtc->dm_irq_params.window_param.activated)
-               goto cleanup;
+           !dm_is_crc_source_crtc(cur_crc_src)) {
+               spin_unlock_irqrestore(&drm_dev->event_lock, flags1);
+               return;
+       }
 
-       if (acrtc->dm_irq_params.window_param.skip_frame_cnt) {
-               acrtc->dm_irq_params.window_param.skip_frame_cnt -= 1;
-               goto cleanup;
+       if (!acrtc->dm_irq_params.crc_window_activated) {
+               spin_unlock_irqrestore(&drm_dev->event_lock, flags1);
+               return;
        }
 
        crtc_ctx = &adev->dm.secure_display_ctx.crtc_ctx[acrtc->crtc_id];
@@ -759,32 +784,90 @@ void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc)
                crtc_ctx->crtc = crtc;
        }
 
-       if (acrtc->dm_irq_params.window_param.update_win) {
-               /* prepare work for dmub to update ROI */
-               crtc_ctx->rect.x = acrtc->dm_irq_params.window_param.x_start;
-               crtc_ctx->rect.y = acrtc->dm_irq_params.window_param.y_start;
-               crtc_ctx->rect.width = acrtc->dm_irq_params.window_param.x_end -
-                                                               acrtc->dm_irq_params.window_param.x_start;
-               crtc_ctx->rect.height = acrtc->dm_irq_params.window_param.y_end -
-                                                               acrtc->dm_irq_params.window_param.y_start;
-               schedule_work(&crtc_ctx->forward_roi_work);
+       for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) {
+               crtc_ctx->roi[i].enable = acrtc->dm_irq_params.window_param[i].enable;
 
-               acrtc->dm_irq_params.window_param.update_win = false;
+               if (!acrtc->dm_irq_params.window_param[i].enable) {
+                       crtc_ctx->crc_info.crc[i].crc_ready = false;
+                       continue;
+               }
 
-               /* Statically skip 1 frame, because we may need to wait below things
-                * before sending ROI to dmub:
-                * 1. We defer the work by using system workqueue.
-                * 2. We may need to wait for dc_lock before accessing dmub.
-                */
-               acrtc->dm_irq_params.window_param.skip_frame_cnt = 1;
+               if (acrtc->dm_irq_params.window_param[i].skip_frame_cnt) {
+                       acrtc->dm_irq_params.window_param[i].skip_frame_cnt -= 1;
+                       crtc_ctx->crc_info.crc[i].crc_ready = false;
+                       continue;
+               }
 
-       } else {
-               /* prepare work for psp to read ROI/CRC and send to I2C */
-               schedule_work(&crtc_ctx->notify_ta_work);
+               if (acrtc->dm_irq_params.window_param[i].update_win) {
+                       /* prepare work for dmub to update ROI */
+                       crtc_ctx->roi[i].rect.x = acrtc->dm_irq_params.window_param[i].x_start;
+                       crtc_ctx->roi[i].rect.y = acrtc->dm_irq_params.window_param[i].y_start;
+                       crtc_ctx->roi[i].rect.width = acrtc->dm_irq_params.window_param[i].x_end -
+                                               acrtc->dm_irq_params.window_param[i].x_start;
+                       crtc_ctx->roi[i].rect.height = acrtc->dm_irq_params.window_param[i].y_end -
+                                               acrtc->dm_irq_params.window_param[i].y_start;
+
+                       forward_roi_change = true;
+
+                       reset_crc_frame_count[i] = true;
+
+                       acrtc->dm_irq_params.window_param[i].update_win = false;
+
+                       /* Statically skip 1 frame, because we may need to wait below things
+                        * before sending ROI to dmub:
+                        * 1. We defer the work by using system workqueue.
+                        * 2. We may need to wait for dc_lock before accessing dmub.
+                        */
+                       acrtc->dm_irq_params.window_param[i].skip_frame_cnt = 1;
+                       crtc_ctx->crc_info.crc[i].crc_ready = false;
+               } else {
+                       struct dc_stream_state *stream_state = to_dm_crtc_state(crtc->state)->stream;
+
+                       if (!dc_stream_get_crc(stream_state->ctx->dc, stream_state, i,
+                                               &crc_r[i], &crc_g[i], &crc_b[i]))
+                               DRM_ERROR("Secure Display: fail to get crc from engine %d\n", i);
+
+                       /* prepare work for psp to read ROI/CRC and send to I2C */
+                       notify_ta = true;
+                       /* crc ready for psp to read out */
+                       crtc_ctx->crc_info.crc[i].crc_ready = true;
+               }
        }
 
-cleanup:
        spin_unlock_irqrestore(&drm_dev->event_lock, flags1);
+
+       if (forward_roi_change)
+               schedule_work(&crtc_ctx->forward_roi_work);
+
+       if (notify_ta)
+               schedule_work(&crtc_ctx->notify_ta_work);
+
+       spin_lock_irqsave(&crtc_ctx->crc_info.lock, flags1);
+       for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) {
+               crtc_ctx->crc_info.crc[i].crc_R = crc_r[i];
+               crtc_ctx->crc_info.crc[i].crc_G = crc_g[i];
+               crtc_ctx->crc_info.crc[i].crc_B = crc_b[i];
+
+               if (!crtc_ctx->roi[i].enable) {
+                       crtc_ctx->crc_info.crc[i].frame_count = 0;
+                       continue;
+               }
+
+               if (!crtc_ctx->crc_info.crc[i].crc_ready)
+                       all_crc_ready = false;
+
+               if (reset_crc_frame_count[i] || crtc_ctx->crc_info.crc[i].frame_count == UINT_MAX)
+                       /* Reset the reference frame count after user update the ROI
+                        * or it reaches the maximum value.
+                        */
+                       crtc_ctx->crc_info.crc[i].frame_count = 0;
+               else
+                       crtc_ctx->crc_info.crc[i].frame_count += 1;
+       }
+       spin_unlock_irqrestore(&crtc_ctx->crc_info.lock, flags1);
+
+       if (all_crc_ready)
+               complete_all(&crtc_ctx->crc_info.completion);
 }
 
 void amdgpu_dm_crtc_secure_display_create_contexts(struct amdgpu_device *adev)
@@ -805,6 +888,7 @@ void amdgpu_dm_crtc_secure_display_create_contexts(struct amdgpu_device *adev)
                INIT_WORK(&crtc_ctx[i].forward_roi_work, amdgpu_dm_forward_crc_window);
                INIT_WORK(&crtc_ctx[i].notify_ta_work, amdgpu_dm_crtc_notify_ta_to_read);
                crtc_ctx[i].crtc = &adev->mode_info.crtcs[i]->base;
+               spin_lock_init(&crtc_ctx[i].crc_info.lock);
        }
 
        adev->dm.secure_display_ctx.crtc_ctx = crtc_ctx;
index 4ec2510bc3129cdee9fc1051ca12dcda14fd066d..0c96f2db135294adc8d50a7528792dbce28f1b04 100644 (file)
@@ -51,13 +51,27 @@ struct phy_id_mapping {
        u8 rad[8];
 };
 
+struct crc_data {
+       uint32_t crc_R;
+       uint32_t crc_G;
+       uint32_t crc_B;
+       uint32_t frame_count;
+       bool crc_ready;
+};
+
+struct crc_info {
+       struct crc_data crc[MAX_CRC_WINDOW_NUM];
+       struct completion completion;
+       spinlock_t lock;
+};
+
 struct crc_window_param {
        uint16_t x_start;
        uint16_t y_start;
        uint16_t x_end;
        uint16_t y_end;
        /* CRC window is activated or not*/
-       bool activated;
+       bool enable;
        /* Update crc window during vertical blank or not */
        bool update_win;
        /* skip reading/writing for few frames */
@@ -74,13 +88,16 @@ struct secure_display_crtc_context {
        struct drm_crtc *crtc;
 
        /* Region of Interest (ROI) */
-       struct rect rect;
+       struct crc_window roi[MAX_CRC_WINDOW_NUM];
+
+       struct crc_info crc_info;
 };
 
 struct secure_display_context {
 
        struct secure_display_crtc_context *crtc_ctx;
-
+    /* Whether dmub support multiple ROI setting */
+       bool support_mul_roi;
        bool phy_mapping_updated;
        int phy_id_mapping_cnt;
        struct phy_id_mapping phy_id_mapping[MAX_CRTC];
index bc3e7a82b402c467d340262f75f375ce3ebc8a45..0d84308c59961a4315e268c5c99e0d23f1d9b87d 100644 (file)
@@ -3480,8 +3480,8 @@ static int crc_win_x_start_set(void *data, u64 val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       acrtc->dm_irq_params.window_param.x_start = (uint16_t) val;
-       acrtc->dm_irq_params.window_param.update_win = false;
+       acrtc->dm_irq_params.window_param[0].x_start = (uint16_t) val;
+       acrtc->dm_irq_params.window_param[0].update_win = false;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3497,7 +3497,7 @@ static int crc_win_x_start_get(void *data, u64 *val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       *val = acrtc->dm_irq_params.window_param.x_start;
+       *val = acrtc->dm_irq_params.window_param[0].x_start;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3517,8 +3517,8 @@ static int crc_win_y_start_set(void *data, u64 val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       acrtc->dm_irq_params.window_param.y_start = (uint16_t) val;
-       acrtc->dm_irq_params.window_param.update_win = false;
+       acrtc->dm_irq_params.window_param[0].y_start = (uint16_t) val;
+       acrtc->dm_irq_params.window_param[0].update_win = false;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3534,7 +3534,7 @@ static int crc_win_y_start_get(void *data, u64 *val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       *val = acrtc->dm_irq_params.window_param.y_start;
+       *val = acrtc->dm_irq_params.window_param[0].y_start;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3553,8 +3553,8 @@ static int crc_win_x_end_set(void *data, u64 val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       acrtc->dm_irq_params.window_param.x_end = (uint16_t) val;
-       acrtc->dm_irq_params.window_param.update_win = false;
+       acrtc->dm_irq_params.window_param[0].x_end = (uint16_t) val;
+       acrtc->dm_irq_params.window_param[0].update_win = false;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3570,7 +3570,7 @@ static int crc_win_x_end_get(void *data, u64 *val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       *val = acrtc->dm_irq_params.window_param.x_end;
+       *val = acrtc->dm_irq_params.window_param[0].x_end;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3589,8 +3589,8 @@ static int crc_win_y_end_set(void *data, u64 val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       acrtc->dm_irq_params.window_param.y_end = (uint16_t) val;
-       acrtc->dm_irq_params.window_param.update_win = false;
+       acrtc->dm_irq_params.window_param[0].y_end = (uint16_t) val;
+       acrtc->dm_irq_params.window_param[0].update_win = false;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3606,7 +3606,7 @@ static int crc_win_y_end_get(void *data, u64 *val)
        struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 
        spin_lock_irq(&drm_dev->event_lock);
-       *val = acrtc->dm_irq_params.window_param.y_end;
+       *val = acrtc->dm_irq_params.window_param[0].y_end;
        spin_unlock_irq(&drm_dev->event_lock);
 
        return 0;
@@ -3633,9 +3633,10 @@ static int crc_win_update_set(void *data, u64 val)
 
                spin_lock_irq(&adev_to_drm(adev)->event_lock);
 
-               acrtc->dm_irq_params.window_param.activated = true;
-               acrtc->dm_irq_params.window_param.update_win = true;
-               acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
+               acrtc->dm_irq_params.window_param[0].enable = true;
+               acrtc->dm_irq_params.window_param[0].update_win = true;
+               acrtc->dm_irq_params.window_param[0].skip_frame_cnt = 0;
+               acrtc->dm_irq_params.crc_window_activated = true;
 
                spin_unlock_irq(&adev_to_drm(adev)->event_lock);
                mutex_unlock(&adev->dm.dc_lock);
index 6a7ecc1e4602e716eb8c6e6ceb78bc06ffd255d0..6c9de834455b37ede7c77a2bec1b71a57c9145bd 100644 (file)
@@ -39,7 +39,9 @@ struct dm_irq_params {
 #ifdef CONFIG_DEBUG_FS
        enum amdgpu_dm_pipe_crc_source crc_src;
 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
-       struct crc_window_param window_param;
+       struct crc_window_param window_param[MAX_CRC_WINDOW_NUM];
+       /* At least one CRC window is activated or not*/
+       bool crc_window_activated;
 #endif
 #endif
 };