From: Christian König <christian.koenig@amd.com>
Date: Mon, 11 May 2015 20:01:47 +0000 (+0200)
Subject: drm/radeon: rework VCE FW size calculation
X-Git-Tag: firefly_0821_release~176^2~1470^2~48^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fa0cf2f246bb1cac502ba7c36082ad7a7b6deb40;p=firefly-linux-kernel-4.4.55.git

drm/radeon: rework VCE FW size calculation

Previously we were completely over allocating, fix this
by actually implementing the size calculation.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 352870cbb8b8..5999560d4284 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1709,8 +1709,6 @@ int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
  * VCE
  */
 #define RADEON_MAX_VCE_HANDLES	16
-#define RADEON_VCE_STACK_SIZE	(1024*1024)
-#define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
 
 struct radeon_vce {
 	struct radeon_bo	*vcpu_bo;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index a3ca8cd305c5..cb7787fedf1b 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -974,6 +974,7 @@ int vce_v1_0_init(struct radeon_device *rdev);
 int vce_v1_0_start(struct radeon_device *rdev);
 
 /* vce v2.0 */
+unsigned vce_v2_0_bo_size(struct radeon_device *rdev);
 int vce_v2_0_resume(struct radeon_device *rdev);
 
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c
index 0de5711ac508..5b952bdfa68d 100644
--- a/drivers/gpu/drm/radeon/radeon_vce.c
+++ b/drivers/gpu/drm/radeon/radeon_vce.c
@@ -123,8 +123,7 @@ int radeon_vce_init(struct radeon_device *rdev)
 
 	/* allocate firmware, stack and heap BO */
 
-	size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size) +
-	       RADEON_VCE_STACK_SIZE + RADEON_VCE_HEAP_SIZE;
+	size = vce_v2_0_bo_size(rdev);
 	r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
 			     RADEON_GEM_DOMAIN_VRAM, 0, NULL, NULL,
 			     &rdev->vce.vcpu_bo);
diff --git a/drivers/gpu/drm/radeon/vce_v2_0.c b/drivers/gpu/drm/radeon/vce_v2_0.c
index fbbe78fbd087..cdeaab7c7b1e 100644
--- a/drivers/gpu/drm/radeon/vce_v2_0.c
+++ b/drivers/gpu/drm/radeon/vce_v2_0.c
@@ -31,6 +31,10 @@
 #include "radeon_asic.h"
 #include "cikd.h"
 
+#define VCE_V2_0_FW_SIZE	(256 * 1024)
+#define VCE_V2_0_STACK_SIZE	(64 * 1024)
+#define VCE_V2_0_DATA_SIZE	(23552 * RADEON_MAX_VCE_HANDLES)
+
 static void vce_v2_0_set_sw_cg(struct radeon_device *rdev, bool gated)
 {
 	u32 tmp;
@@ -140,6 +144,12 @@ static void vce_v2_0_init_cg(struct radeon_device *rdev)
 	WREG32(VCE_CLOCK_GATING_B, tmp);
 }
 
+unsigned vce_v2_0_bo_size(struct radeon_device *rdev)
+{
+	WARN_ON(rdev->vce_fw->size > VCE_V2_0_FW_SIZE);
+	return VCE_V2_0_FW_SIZE + VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE;
+}
+
 int vce_v2_0_resume(struct radeon_device *rdev)
 {
 	uint64_t addr = rdev->vce.gpu_addr;
@@ -159,17 +169,17 @@ int vce_v2_0_resume(struct radeon_device *rdev)
 	WREG32(VCE_LMI_VCPU_CACHE_40BIT_BAR, addr >> 8);
 
 	addr &= 0xff;
-	size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size);
+	size = VCE_V2_0_FW_SIZE;
 	WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
 	WREG32(VCE_VCPU_CACHE_SIZE0, size);
 
 	addr += size;
-	size = RADEON_VCE_STACK_SIZE;
+	size = VCE_V2_0_STACK_SIZE;
 	WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
 	WREG32(VCE_VCPU_CACHE_SIZE1, size);
 
 	addr += size;
-	size = RADEON_VCE_HEAP_SIZE;
+	size = VCE_V2_0_DATA_SIZE;
 	WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
 	WREG32(VCE_VCPU_CACHE_SIZE2, size);