From 60ecaaf54886b0642d5c4744f7fbf1ff0d6b3e42 Mon Sep 17 00:00:00 2001
From: Sukrut Bellary <sukrut.bellary@linux.com>
Date: Wed, 3 May 2023 16:15:07 -0700
Subject: [PATCH 1/7] drm:amd:amdgpu: Fix missing buffer object unlock in
 failure path

smatch warning -
1) drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:3615 gfx_v9_0_kiq_resume()
warn: inconsistent returns 'ring->mqd_obj->tbo.base.resv'.

2) drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:6901 gfx_v10_0_kiq_resume()
warn: inconsistent returns 'ring->mqd_obj->tbo.base.resv'.

Signed-off-by: Sukrut Bellary <sukrut.bellary@linux.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 4 +++-
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 1ec076517c96..ab44c1391d52 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6892,8 +6892,10 @@ static int gfx_v10_0_kiq_resume(struct amdgpu_device *adev)
 		return r;
 
 	r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr);
-	if (unlikely(r != 0))
+	if (unlikely(r != 0)) {
+		amdgpu_bo_unreserve(ring->mqd_obj);
 		return r;
+	}
 
 	gfx_v10_0_kiq_init_queue(ring);
 	amdgpu_bo_kunmap(ring->mqd_obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 9818743ec419..ce22f7b30416 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3617,8 +3617,10 @@ static int gfx_v9_0_kiq_resume(struct amdgpu_device *adev)
 		return r;
 
 	r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr);
-	if (unlikely(r != 0))
+	if (unlikely(r != 0)) {
+		amdgpu_bo_unreserve(ring->mqd_obj);
 		return r;
+	}
 
 	gfx_v9_0_kiq_init_queue(ring);
 	amdgpu_bo_kunmap(ring->mqd_obj);

From 7fc602dbfd548045862df096910b7d21e6d300bf Mon Sep 17 00:00:00 2001
From: Jesse Zhang <jesse.zhang@amd.com>
Date: Thu, 18 May 2023 09:46:22 +0800
Subject: [PATCH 2/7] drm/amdgpu: don't enable secure display on incompatible
 platforms

[why]
[drm] psp gfx command LOAD_TA(0x1) failed and response status is (0x7)
[drm] psp gfx command INVOKE_CMD(0x3) failed and response status is (0x4)
amdgpu 0000:04:00.0: amdgpu: Secure display: Generic Failure.

[how]
don't enable secure display on incompatible platforms

Suggested-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Jesse zhang <jesse.zhang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
index e1b7fca09666..5f10883da6a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -57,7 +57,13 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
 	if (err)
 		return err;
 
-	return psp_init_ta_microcode(psp, ucode_prefix);
+	err = psp_init_ta_microcode(psp, ucode_prefix);
+	if ((adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 1, 0)) &&
+		(adev->pdev->revision == 0xa1) &&
+		(psp->securedisplay_context.context.bin_desc.fw_version >= 0x27000008)) {
+		adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
+	}
+	return err;
 }
 
 static int psp_v10_0_ring_create(struct psp_context *psp,

From a34fc1bcd2c4d8b09dcfc0b95ac65bca1e579bd7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 18 May 2023 12:38:22 -0400
Subject: [PATCH 3/7] drm/radeon: reintroduce radeon_dp_work_func content

Put back the radeon_dp_work_func logic.  It seems that
handling DP RX interrupts is necessary to make some
panels work.  This was removed with the MST support,
but it regresses some systems so add it back.  While
we are here, add the proper mutex locking.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2567
Fixes: 01ad1d9c2888 ("drm/radeon: Drop legacy MST support")
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_irq_kms.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 3377fbc71f65..c4dda908666c 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -99,6 +99,16 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 
 static void radeon_dp_work_func(struct work_struct *work)
 {
+	struct radeon_device *rdev = container_of(work, struct radeon_device,
+						  dp_work);
+	struct drm_device *dev = rdev->ddev;
+	struct drm_mode_config *mode_config = &dev->mode_config;
+	struct drm_connector *connector;
+
+	mutex_lock(&mode_config->mutex);
+	list_for_each_entry(connector, &mode_config->connector_list, head)
+		radeon_connector_hotplug(connector);
+	mutex_unlock(&mode_config->mutex);
 }
 
 /**

From 0d2dd02d74e6377268f56b90261de0fae8f0d2cb Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Fri, 19 May 2023 14:20:17 +0800
Subject: [PATCH 4/7] drm/amd/pm: add missing NotifyPowerSource message mapping
 for SMU13.0.7

Otherwise, the power source switching will fail due to message
unavailable.

Fixes: bf4823267a81 ("drm/amd/pm: fix possible power mode mismatch between driver and PMFW")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 98a33f8ee209..bba621615abf 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -125,6 +125,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(ArmD3,				PPSMC_MSG_ArmD3,                       0),
 	MSG_MAP(AllowGpo,			PPSMC_MSG_SetGpoAllow,           0),
 	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit,                 0),
+	MSG_MAP(NotifyPowerSource,		PPSMC_MSG_NotifyPowerSource,           0),
 };
 
 static struct cmn2asic_mapping smu_v13_0_7_clk_map[SMU_CLK_COUNT] = {

From 40baba5693b9af586dc1063af603d05a79e57a6b Mon Sep 17 00:00:00 2001
From: Jonatas Esteves <jntesteves@gmail.com>
Date: Sat, 20 May 2023 10:39:52 -0300
Subject: [PATCH 5/7] drm/amd/pm: Fix output of pp_od_clk_voltage

Printing the other clock types should not be conditioned on being able
to print OD_SCLK. Some GPUs currently have limited capability of only
printing a subset of these.

Since this condition was introduced in v5.18-rc1, reading from
`pp_od_clk_voltage` has been returning empty on the Asus ROG Strix G15
(2021).

Fixes: 79c65f3fcbb1 ("drm/amd/pm: do not expose power implementation details to amdgpu_pm.c")
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Jonatas Esteves <jntesteves@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 58c2246918fd..f4f40459f22b 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -871,13 +871,11 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
 	}
 	if (ret == -ENOENT) {
 		size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
-		if (size > 0) {
-			size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf + size);
-			size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf + size);
-			size += amdgpu_dpm_print_clock_levels(adev, OD_VDDGFX_OFFSET, buf + size);
-			size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf + size);
-			size += amdgpu_dpm_print_clock_levels(adev, OD_CCLK, buf + size);
-		}
+		size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf + size);
+		size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf + size);
+		size += amdgpu_dpm_print_clock_levels(adev, OD_VDDGFX_OFFSET, buf + size);
+		size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf + size);
+		size += amdgpu_dpm_print_clock_levels(adev, OD_CCLK, buf + size);
 	}
 
 	if (size == 0)

From 137f9cee113df91107cf91c130d5c414c4b191f0 Mon Sep 17 00:00:00 2001
From: Alan Liu <haoping.liu@amd.com>
Date: Tue, 2 May 2023 17:54:50 +0800
Subject: [PATCH 6/7] drm/amd/display: Fix warning in disabling vblank irq

[Why]
During gpu-reset, we toggle vblank irq by calling dc_interrupt_set()
instead of amdgpu_irq_get/put() because we don't want to change the irq
source's refcount. However, we see the warning when vblank irq is enabled
by dc_interrupt_set() during gpu-reset but disabled by amdgpu_irq_put()
after gpu-reset.

[How]
Only in dm_gpureset_toggle_interrupts() we toggle vblank interrupts by
calling dc_interrupt_set(). Apart from this we call dm_set_vblank()
which uses amdgpu_irq_get/put() to operate vblank irq.

Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alan Liu <haoping.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 21 ++++++++++++-------
 .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c    | 16 +++-----------
 2 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8b4b186c57f5..26b5cbc97046 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2479,20 +2479,25 @@ static void dm_gpureset_toggle_interrupts(struct amdgpu_device *adev,
 		if (acrtc && state->stream_status[i].plane_count != 0) {
 			irq_source = IRQ_TYPE_PFLIP + acrtc->otg_inst;
 			rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
-			DRM_DEBUG_VBL("crtc %d - vupdate irq %sabling: r=%d\n",
-				      acrtc->crtc_id, enable ? "en" : "dis", rc);
 			if (rc)
 				DRM_WARN("Failed to %s pflip interrupts\n",
 					 enable ? "enable" : "disable");
 
 			if (enable) {
-				rc = amdgpu_dm_crtc_enable_vblank(&acrtc->base);
-				if (rc)
-					DRM_WARN("Failed to enable vblank interrupts\n");
-			} else {
-				amdgpu_dm_crtc_disable_vblank(&acrtc->base);
-			}
+				if (amdgpu_dm_crtc_vrr_active(to_dm_crtc_state(acrtc->base.state)))
+					rc = amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, true);
+			} else
+				rc = amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, false);
 
+			if (rc)
+				DRM_WARN("Failed to %sable vupdate interrupt\n", enable ? "en" : "dis");
+
+			irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
+			/* During gpu-reset we disable and then enable vblank irq, so
+			 * don't use amdgpu_irq_get/put() to avoid refcount change.
+			 */
+			if (!dc_interrupt_set(adev->dm.dc, irq_source, enable))
+				DRM_WARN("Failed to %sable vblank interrupt\n", enable ? "en" : "dis");
 		}
 	}
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index e3762e806617..440fc0869a34 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -146,7 +146,6 @@ static void vblank_control_worker(struct work_struct *work)
 
 static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 {
-	enum dc_irq_source irq_source;
 	struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
 	struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state);
@@ -169,18 +168,9 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 	if (rc)
 		return rc;
 
-	if (amdgpu_in_reset(adev)) {
-		irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
-		/* During gpu-reset we disable and then enable vblank irq, so
-		 * don't use amdgpu_irq_get/put() to avoid refcount change.
-		 */
-		if (!dc_interrupt_set(adev->dm.dc, irq_source, enable))
-			rc = -EBUSY;
-	} else {
-		rc = (enable)
-			? amdgpu_irq_get(adev, &adev->crtc_irq, acrtc->crtc_id)
-			: amdgpu_irq_put(adev, &adev->crtc_irq, acrtc->crtc_id);
-	}
+	rc = (enable)
+		? amdgpu_irq_get(adev, &adev->crtc_irq, acrtc->crtc_id)
+		: amdgpu_irq_put(adev, &adev->crtc_irq, acrtc->crtc_id);
 
 	if (rc)
 		return rc;

From 482e6ad9adde69d9da08864b4ccf4dfd53edb2f0 Mon Sep 17 00:00:00 2001
From: Fangzhi Zuo <jerry.zuo@amd.com>
Date: Wed, 10 May 2023 16:43:30 -0400
Subject: [PATCH 7/7] drm/amd/display: Have Payload Properly Created After
 Resume

At drm suspend sequence, MST dc_sink is removed. When commit cached
MST stream back in drm resume sequence, the MST stream payload is not
properly created and added into the payload table. After resume, topology
change is reprobed by removing existing streams first. That leads to
no payload is found in the existing payload table as below error
"[drm] ERROR No payload for [MST PORT:] found in mst state"

1. In encoder .atomic_check routine, remove check existance of dc_sink
2. Bypass MST by checking existence of MST root port. dc_link_type cannot
differentiate MST port before topology is rediscovered.

Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 26b5cbc97046..d5cec03eaa8d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2857,7 +2857,7 @@ static int dm_resume(void *handle)
 		 * this is the case when traversing through already created
 		 * MST connectors, should be skipped
 		 */
-		if (aconnector->dc_link->type == dc_connection_mst_branch)
+		if (aconnector && aconnector->mst_root)
 			continue;
 
 		mutex_lock(&aconnector->hpd_lock);
@@ -6742,7 +6742,7 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
 	int clock, bpp = 0;
 	bool is_y420 = false;
 
-	if (!aconnector->mst_output_port || !aconnector->dc_sink)
+	if (!aconnector->mst_output_port)
 		return 0;
 
 	mst_port = aconnector->mst_output_port;