[PATCH v2 1/3] drm/amdgpu: Move existing pflip fields into separate struct

[Aurabindo Pillai]

[Why&How]
To refactor DM IRQ management, all fields used by IRQ is best moved
to a separate struct so that main amdgpu_crtc struct need not be changed
Location of the new struct shall be in DM

Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h      |  4 ++-
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  4 +--
 .../display/amdgpu_dm/amdgpu_dm_irq_params.h  | 33 +++++++++++++++++++
 3 files changed, 38 insertions(+), 3 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index aa3e22be4f2d..345cb0464370 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -46,6 +46,7 @@
 
 #include <drm/drm_dp_mst_helper.h>
 #include "modules/inc/mod_freesync.h"
+#include "amdgpu_dm_irq_params.h"
 
 struct amdgpu_bo;
 struct amdgpu_device;
@@ -410,7 +411,8 @@ struct amdgpu_crtc {
 	struct amdgpu_flip_work *pflip_works;
 	enum amdgpu_flip_status pflip_status;
 	int deferred_flip_completion;
-	u32 last_flip_vblank;
+	/* parameters access from DM IRQ handler */
+	struct dm_irq_params dm_irq_params;
 	/* pll sharing */
 	struct amdgpu_atom_ss ss;
 	bool ss_enabled;
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 cb624ee70545..40814cdd8c92 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -389,7 +389,7 @@ static void dm_pflip_high_irq(void *interrupt_params)
 	 * of pageflip completion, so last_flip_vblank is the forbidden count
 	 * for queueing new pageflips if vsync + VRR is enabled.
 	 */
-	amdgpu_crtc->last_flip_vblank =
+	amdgpu_crtc->dm_irq_params.last_flip_vblank =
 		amdgpu_get_vblank_counter_kms(&amdgpu_crtc->base);
 
 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
@@ -7248,7 +7248,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			 * on late submission of flips.
 			 */
 			spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
-			last_flip_vblank = acrtc_attach->last_flip_vblank;
+			last_flip_vblank = acrtc_attach->dm_irq_params.last_flip_vblank;
 			spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
 		}
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h
new file mode 100644
index 000000000000..55ef237eed8b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __AMDGPU_DM_IRQ_PARAMS_H__
+#define __AMDGPU_DM_IRQ_PARAMS_H__
+
+struct dm_irq_params {
+	u32 last_flip_vblank;
+};
+
+#endif /* __AMDGPU_DM_IRQ_PARAMS_H__ */
-- 
2.25.1