drm/amd/display: Implement multiple secure display
authorAlan Liu <HaoPing.Liu@amd.com>
Wed, 19 Oct 2022 10:15:14 +0000 (18:15 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 15 Dec 2022 17:18:18 +0000 (12:18 -0500)
[Why]
Current secure display only work with single display, now make it
work with multiple displays.

[How]
Create secure_display_context for each crtc instance to store its
own Region of Interest (ROI) information.

v2: squash in warning fix (Alex)

Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Alan Liu <HaoPing.Liu@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.h
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/dc/core/dc.c
drivers/gpu/drm/amd/display/dc/dc_stream.h

index 50c783e..94c99f3 100644 (file)
@@ -1642,7 +1642,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
        }
 #endif
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-       adev->dm.crc_rd_wrk = amdgpu_dm_crtc_secure_display_create_work();
+       adev->dm.secure_display_ctxs = amdgpu_dm_crtc_secure_display_create_contexts(adev->dm.dc->caps.max_links);
 #endif
        if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
                init_completion(&adev->dm.dmub_aux_transfer_done);
@@ -1737,10 +1737,15 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
        amdgpu_dm_destroy_drm_device(&adev->dm);
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-       if (adev->dm.crc_rd_wrk) {
-               flush_work(&adev->dm.crc_rd_wrk->notify_ta_work);
-               kfree(adev->dm.crc_rd_wrk);
-               adev->dm.crc_rd_wrk = NULL;
+       if (adev->dm.secure_display_ctxs) {
+               for (i = 0; i < adev->dm.dc->caps.max_links; i++) {
+                       if (adev->dm.secure_display_ctxs[i].crtc) {
+                               flush_work(&adev->dm.secure_display_ctxs[i].notify_ta_work);
+                               flush_work(&adev->dm.secure_display_ctxs[i].forward_roi_work);
+                       }
+               }
+               kfree(adev->dm.secure_display_ctxs);
+               adev->dm.secure_display_ctxs = NULL;
        }
 #endif
 #ifdef CONFIG_DRM_AMD_DC_HDCP
@@ -8403,9 +8408,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 #ifdef CONFIG_DEBUG_FS
                enum amdgpu_dm_pipe_crc_source cur_crc_src;
-#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-               struct crc_rd_work *crc_rd_wrk;
-#endif
 #endif
                /* Count number of newly disabled CRTCs for dropping PM refs later. */
                if (old_crtc_state->active && !new_crtc_state->active)
@@ -8418,9 +8420,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                update_stream_irq_parameters(dm, dm_new_crtc_state);
 
 #ifdef CONFIG_DEBUG_FS
-#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-               crc_rd_wrk = dm->crc_rd_wrk;
-#endif
                spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
                cur_crc_src = acrtc->dm_irq_params.crc_src;
                spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
@@ -8449,10 +8448,12 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                                if (amdgpu_dm_crc_window_is_activated(crtc)) {
                                        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;
-                                       spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock);
-                                       crc_rd_wrk->crtc = crtc;
-                                       spin_unlock_irq(&crc_rd_wrk->crc_rd_work_lock);
                                        spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
                                }
 #endif
index df3c25e..abbbb38 100644 (file)
@@ -494,11 +494,12 @@ struct amdgpu_display_manager {
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
        /**
-        * @crc_rd_wrk:
+        * @secure_display_ctxs:
         *
-        * Work to be executed in a separate thread to communicate with PSP.
+        * Store the ROI information and the work_struct to command dmub and psp for
+        * all crtcs.
         */
-       struct crc_rd_work *crc_rd_wrk;
+       struct secure_display_context *secure_display_ctxs;
 #endif
        /**
         * @hpd_rx_offload_wq:
index 66df239..e81659c 100644 (file)
@@ -101,35 +101,38 @@ static void amdgpu_dm_set_crc_window_default(struct drm_crtc *crtc)
 
 static void amdgpu_dm_crtc_notify_ta_to_read(struct work_struct *work)
 {
-       struct crc_rd_work *crc_rd_wrk;
-       struct amdgpu_device *adev;
+       struct secure_display_context *secure_display_ctx;
        struct psp_context *psp;
        struct securedisplay_cmd *securedisplay_cmd;
        struct drm_crtc *crtc;
-       uint8_t phy_id;
+       struct dc_stream_state *stream;
+       uint8_t phy_inst;
        int ret;
 
-       crc_rd_wrk = container_of(work, struct crc_rd_work, notify_ta_work);
-       spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock);
-       crtc = crc_rd_wrk->crtc;
+       secure_display_ctx = container_of(work, struct secure_display_context, notify_ta_work);
+       crtc = secure_display_ctx->crtc;
 
        if (!crtc) {
-               spin_unlock_irq(&crc_rd_wrk->crc_rd_work_lock);
                return;
        }
 
-       adev = drm_to_adev(crtc->dev);
-       psp = &adev->psp;
-       phy_id = crc_rd_wrk->phy_inst;
-       spin_unlock_irq(&crc_rd_wrk->crc_rd_work_lock);
+       psp = &drm_to_adev(crtc->dev)->psp;
+       stream = to_amdgpu_crtc(crtc)->dm_irq_params.stream;
+       phy_inst = stream->link->link_enc_hw_inst;
 
+       /* need lock for multiple crtcs to use the command buffer */
        mutex_lock(&psp->securedisplay_context.mutex);
 
        psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
                                                TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);
-       securedisplay_cmd->securedisplay_in_message.send_roi_crc.phy_id =
-                                               phy_id;
+
+       securedisplay_cmd->securedisplay_in_message.send_roi_crc.phy_id = phy_inst;
+
+       /* PSP TA is expected to finish data transmission over I2C within current frame,
+        * even there are up to 4 crtcs request to send in this frame.
+        */
        ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);
+
        if (!ret) {
                if (securedisplay_cmd->status != TA_SECUREDISPLAY_STATUS__SUCCESS) {
                        psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status);
@@ -142,17 +145,23 @@ static void amdgpu_dm_crtc_notify_ta_to_read(struct work_struct *work)
 static void
 amdgpu_dm_forward_crc_window(struct work_struct *work)
 {
-       struct crc_fw_work *crc_fw_wrk;
+       struct secure_display_context *secure_display_ctx;
        struct amdgpu_display_manager *dm;
+       struct drm_crtc *crtc;
+       struct dc_stream_state *stream;
 
-       crc_fw_wrk = container_of(work, struct crc_fw_work, forward_roi_work);
-       dm = crc_fw_wrk->dm;
+       secure_display_ctx = container_of(work, struct secure_display_context, forward_roi_work);
+       crtc = secure_display_ctx->crtc;
+
+       if (!crtc)
+               return;
+
+       dm = &drm_to_adev(crtc->dev)->dm;
+       stream = to_amdgpu_crtc(crtc)->dm_irq_params.stream;
 
        mutex_lock(&dm->dc_lock);
-       dc_stream_forward_crc_window(dm->dc, &crc_fw_wrk->rect, crc_fw_wrk->stream, crc_fw_wrk->is_stop_cmd);
+       dc_stream_forward_crc_window(stream, &secure_display_ctx->rect, false);
        mutex_unlock(&dm->dc_lock);
-
-       kfree(crc_fw_wrk);
 }
 
 bool amdgpu_dm_crc_window_is_activated(struct drm_crtc *crtc)
@@ -189,6 +198,9 @@ int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc,
                                        struct dm_crtc_state *dm_crtc_state,
                                        enum amdgpu_dm_pipe_crc_source source)
 {
+#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
+       int i;
+#endif
        struct amdgpu_device *adev = drm_to_adev(crtc->dev);
        struct dc_stream_state *stream_state = dm_crtc_state->stream;
        bool enable = amdgpu_dm_is_valid_crc_source(source);
@@ -200,21 +212,20 @@ int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc,
 
        mutex_lock(&adev->dm.dc_lock);
 
-       /* Enable CRTC CRC generation if necessary. */
+       /* Enable or disable CRTC CRC generation */
        if (dm_is_crc_source_crtc(source) || source == AMDGPU_DM_PIPE_CRC_SOURCE_NONE) {
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
+               /* Disable secure_display if it was enabled */
                if (!enable) {
-                       if (adev->dm.crc_rd_wrk) {
-                               flush_work(&adev->dm.crc_rd_wrk->notify_ta_work);
-                               spin_lock_irq(&adev->dm.crc_rd_wrk->crc_rd_work_lock);
-
-                               if (adev->dm.crc_rd_wrk->crtc == crtc) {
-                                       /* stop ROI update on this crtc */
-                                       dc_stream_forward_crc_window(stream_state->ctx->dc,
-                                                       NULL, stream_state, true);
-                                       adev->dm.crc_rd_wrk->crtc = NULL;
+                       if (adev->dm.secure_display_ctxs) {
+                               for (i = 0; i < adev->mode_info.num_crtc; i++) {
+                                       if (adev->dm.secure_display_ctxs[i].crtc == crtc) {
+                                               /* stop ROI update on this crtc */
+                                               flush_work(&adev->dm.secure_display_ctxs[i].notify_ta_work);
+                                               dc_stream_forward_crc_window(stream_state, NULL, true);
+                                               adev->dm.secure_display_ctxs[i].crtc = NULL;
+                                       }
                                }
-                               spin_unlock_irq(&adev->dm.crc_rd_wrk->crc_rd_work_lock);
                        }
                }
 #endif
@@ -347,6 +358,7 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name)
        }
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
+       /* Reset secure_display when we change crc source from debugfs */
        amdgpu_dm_set_crc_window_default(crtc);
 #endif
 
@@ -456,14 +468,12 @@ void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc)
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
 void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc)
 {
-       struct dc_stream_state *stream_state;
        struct drm_device *drm_dev = NULL;
        enum amdgpu_dm_pipe_crc_source cur_crc_src;
        struct amdgpu_crtc *acrtc = NULL;
        struct amdgpu_device *adev = NULL;
-       struct crc_rd_work *crc_rd_wrk;
-       struct crc_fw_work *crc_fw_wrk;
-       unsigned long flags1, flags2;
+       struct secure_display_context *secure_display_ctx = NULL;
+       unsigned long flags1;
 
        if (crtc == NULL)
                return;
@@ -473,75 +483,68 @@ void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc)
        drm_dev = crtc->dev;
 
        spin_lock_irqsave(&drm_dev->event_lock, flags1);
-       stream_state = acrtc->dm_irq_params.stream;
        cur_crc_src = acrtc->dm_irq_params.crc_src;
 
        /* Early return if CRC capture is not enabled. */
-       if (!amdgpu_dm_is_valid_crc_source(cur_crc_src))
+       if (!amdgpu_dm_is_valid_crc_source(cur_crc_src) ||
+               !dm_is_crc_source_crtc(cur_crc_src))
                goto cleanup;
 
-       if (!dm_is_crc_source_crtc(cur_crc_src))
+       if (!acrtc->dm_irq_params.window_param.activated)
                goto cleanup;
 
-       if (!acrtc->dm_irq_params.window_param.activated)
+       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.window_param.update_win) {
-               if (acrtc->dm_irq_params.window_param.skip_frame_cnt) {
-                       acrtc->dm_irq_params.window_param.skip_frame_cnt -= 1;
-                       goto cleanup;
-               }
+       secure_display_ctx = &adev->dm.secure_display_ctxs[acrtc->crtc_id];
+       secure_display_ctx->crtc = crtc;
 
+       if (acrtc->dm_irq_params.window_param.update_win) {
                /* prepare work for dmub to update ROI */
-               crc_fw_wrk = kzalloc(sizeof(*crc_fw_wrk), GFP_ATOMIC);
-               if (!crc_fw_wrk)
-                       goto cleanup;
-
-               INIT_WORK(&crc_fw_wrk->forward_roi_work, amdgpu_dm_forward_crc_window);
-               crc_fw_wrk->dm = &adev->dm;
-               crc_fw_wrk->stream = stream_state;
-               crc_fw_wrk->rect.x = acrtc->dm_irq_params.window_param.x_start;
-               crc_fw_wrk->rect.y = acrtc->dm_irq_params.window_param.y_start;
-               crc_fw_wrk->rect.width = acrtc->dm_irq_params.window_param.x_end -
+               secure_display_ctx->rect.x = acrtc->dm_irq_params.window_param.x_start;
+               secure_display_ctx->rect.y = acrtc->dm_irq_params.window_param.y_start;
+               secure_display_ctx->rect.width = acrtc->dm_irq_params.window_param.x_end -
                                                                acrtc->dm_irq_params.window_param.x_start;
-               crc_fw_wrk->rect.height = acrtc->dm_irq_params.window_param.y_end -
+               secure_display_ctx->rect.height = acrtc->dm_irq_params.window_param.y_end -
                                                                acrtc->dm_irq_params.window_param.y_start;
-               schedule_work(&crc_fw_wrk->forward_roi_work);
+               schedule_work(&secure_display_ctx->forward_roi_work);
 
                acrtc->dm_irq_params.window_param.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.skip_frame_cnt = 1;
 
        } else {
-               if (acrtc->dm_irq_params.window_param.skip_frame_cnt) {
-                       acrtc->dm_irq_params.window_param.skip_frame_cnt -= 1;
-                       goto cleanup;
-               }
-
-               if (adev->dm.crc_rd_wrk) {
-                       crc_rd_wrk = adev->dm.crc_rd_wrk;
-                       spin_lock_irqsave(&crc_rd_wrk->crc_rd_work_lock, flags2);
-                       crc_rd_wrk->phy_inst = stream_state->link->link_enc_hw_inst;
-                       spin_unlock_irqrestore(&crc_rd_wrk->crc_rd_work_lock, flags2);
-                       schedule_work(&crc_rd_wrk->notify_ta_work);
-               }
+               /* prepare work for psp to read ROI/CRC and send to I2C */
+               schedule_work(&secure_display_ctx->notify_ta_work);
        }
 
 cleanup:
        spin_unlock_irqrestore(&drm_dev->event_lock, flags1);
 }
 
-struct crc_rd_work *amdgpu_dm_crtc_secure_display_create_work(void)
+struct secure_display_context *
+amdgpu_dm_crtc_secure_display_create_contexts(int num_crtc)
 {
-       struct crc_rd_work *crc_rd_wrk = NULL;
+       struct secure_display_context *secure_display_ctxs = NULL;
+       int i;
 
-       crc_rd_wrk = kzalloc(sizeof(*crc_rd_wrk), GFP_KERNEL);
+       secure_display_ctxs = kcalloc(num_crtc, sizeof(struct secure_display_context), GFP_KERNEL);
 
-       if (!crc_rd_wrk)
+       if (!secure_display_ctxs)
                return NULL;
 
-       spin_lock_init(&crc_rd_wrk->crc_rd_work_lock);
-       INIT_WORK(&crc_rd_wrk->notify_ta_work, amdgpu_dm_crtc_notify_ta_to_read);
+       for (i = 0; i < num_crtc; i++) {
+               INIT_WORK(&secure_display_ctxs[i].forward_roi_work, amdgpu_dm_forward_crc_window);
+               INIT_WORK(&secure_display_ctxs[i].notify_ta_work, amdgpu_dm_crtc_notify_ta_to_read);
+       }
 
-       return crc_rd_wrk;
+       return secure_display_ctxs;
 }
 #endif
index 71bce60..4323f72 100644 (file)
@@ -45,7 +45,7 @@ struct crc_window_param {
        uint16_t y_start;
        uint16_t x_end;
        uint16_t y_end;
-       /* CRC windwo is activated or not*/
+       /* CRC window is activated or not*/
        bool activated;
        /* Update crc window during vertical blank or not */
        bool update_win;
@@ -53,22 +53,17 @@ struct crc_window_param {
        int skip_frame_cnt;
 };
 
-/* read_work for driver to call PSP to read */
-struct crc_rd_work {
+struct secure_display_context {
+       /* work to notify PSP TA to transmit CRC over I2C */
        struct work_struct notify_ta_work;
-       /* To protect crc_rd_work carried fields*/
-       spinlock_t crc_rd_work_lock;
-       struct drm_crtc *crtc;
-       uint8_t phy_inst;
-};
 
-/* forward_work for driver to forward ROI to dmu */
-struct crc_fw_work {
+       /* work to forward ROI to dmcu/dmub */
        struct work_struct forward_roi_work;
-       struct amdgpu_display_manager *dm;
-       struct dc_stream_state *stream;
+
+       struct drm_crtc *crtc;
+
+       /* Region of Interest (ROI) */
        struct rect rect;
-       bool is_stop_cmd;
 };
 #endif
 
@@ -100,11 +95,11 @@ void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc);
 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
 bool amdgpu_dm_crc_window_is_activated(struct drm_crtc *crtc);
 void amdgpu_dm_crtc_handle_crc_window_irq(struct drm_crtc *crtc);
-struct crc_rd_work *amdgpu_dm_crtc_secure_display_create_work(void);
+struct secure_display_context *amdgpu_dm_crtc_secure_display_create_contexts(int num_crtc);
 #else
 #define amdgpu_dm_crc_window_is_activated(x)
 #define amdgpu_dm_crtc_handle_crc_window_irq(x)
-#define amdgpu_dm_crtc_secure_display_create_work()
+#define amdgpu_dm_crtc_secure_display_create_contexts()
 #endif
 
 #endif /* AMD_DAL_DEV_AMDGPU_DM_AMDGPU_DM_CRC_H_ */
index 461037a..a29952c 100644 (file)
@@ -3245,46 +3245,24 @@ DEFINE_DEBUGFS_ATTRIBUTE(crc_win_y_end_fops, crc_win_y_end_get,
  */
 static int crc_win_update_set(void *data, u64 val)
 {
-       struct drm_crtc *new_crtc = data;
-       struct drm_crtc *old_crtc = NULL;
-       struct amdgpu_crtc *new_acrtc, *old_acrtc;
-       struct amdgpu_device *adev = drm_to_adev(new_crtc->dev);
-       struct crc_rd_work *crc_rd_wrk = adev->dm.crc_rd_wrk;
-
-       if (!crc_rd_wrk)
-               return 0;
+       struct drm_crtc *crtc = data;
+       struct amdgpu_crtc *acrtc;
+       struct amdgpu_device *adev = drm_to_adev(crtc->dev);
 
        if (val) {
-               new_acrtc = to_amdgpu_crtc(new_crtc);
+               acrtc = to_amdgpu_crtc(crtc);
                mutex_lock(&adev->dm.dc_lock);
                /* PSR may write to OTG CRC window control register,
                 * so close it before starting secure_display.
                 */
-               amdgpu_dm_psr_disable(new_acrtc->dm_irq_params.stream);
+               amdgpu_dm_psr_disable(acrtc->dm_irq_params.stream);
 
                spin_lock_irq(&adev_to_drm(adev)->event_lock);
-               spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock);
-               if (crc_rd_wrk->crtc) {
-                       old_crtc = crc_rd_wrk->crtc;
-                       old_acrtc = to_amdgpu_crtc(old_crtc);
-               }
 
-               if (old_crtc && old_crtc != new_crtc) {
-                       old_acrtc->dm_irq_params.window_param.activated = false;
-                       old_acrtc->dm_irq_params.window_param.update_win = false;
-                       old_acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
+               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;
 
-                       new_acrtc->dm_irq_params.window_param.activated = true;
-                       new_acrtc->dm_irq_params.window_param.update_win = true;
-                       new_acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
-                       crc_rd_wrk->crtc = new_crtc;
-               } else {
-                       new_acrtc->dm_irq_params.window_param.activated = true;
-                       new_acrtc->dm_irq_params.window_param.update_win = true;
-                       new_acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
-                       crc_rd_wrk->crtc = new_crtc;
-               }
-               spin_unlock_irq(&crc_rd_wrk->crc_rd_work_lock);
                spin_unlock_irq(&adev_to_drm(adev)->event_lock);
                mutex_unlock(&adev->dm.dc_lock);
        }
index 0cb8d1f..e265faf 100644 (file)
@@ -518,14 +518,15 @@ dc_stream_forward_dmcu_crc_window(struct dmcu *dmcu,
 }
 
 bool
-dc_stream_forward_crc_window(struct dc *dc,
-               struct rect *rect, struct dc_stream_state *stream, bool is_stop)
+dc_stream_forward_crc_window(struct dc_stream_state *stream,
+               struct rect *rect, bool is_stop)
 {
        struct dmcu *dmcu;
        struct dc_dmub_srv *dmub_srv;
        struct otg_phy_mux mux_mapping;
        struct pipe_ctx *pipe;
        int i;
+       struct dc *dc = stream->ctx->dc;
 
        for (i = 0; i < MAX_PIPES; i++) {
                pipe = &dc->current_state->res_ctx.pipe_ctx[i];
index dfd3df1..ef33d7d 100644 (file)
@@ -543,9 +543,8 @@ bool dc_stream_get_crtc_position(struct dc *dc,
                                 unsigned int *nom_v_pos);
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-bool dc_stream_forward_crc_window(struct dc *dc,
+bool dc_stream_forward_crc_window(struct dc_stream_state *stream,
                struct rect *rect,
-               struct dc_stream_state *stream,
                bool is_stop);
 #endif