Merge branch 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/l…

…inux into drm-next

Just some bug fixes and vega10 updates for 4.12.

* 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: fix fence memory leak in wait_all_fence V2
  drm/amdgpu: fix "fix 64bit division"
  drm/amd/powerplay: add fan controller table v11 support.
  drm/amd/powerplay: port newest process pptable code for vega10.
  drm/amdgpu: set vm size and block size by individual gmc by default (v3)
  drm/amdgpu: Avoid overflows/divide-by-zero in latency_watermark calculations.
  drm/amdgpu: Make display watermark calculations more accurate
  drm/radeon: fix typo in bandwidth calculation
  drm/radeon: Refuse to migrate a prime BO to VRAM. (v2)
  drm/radeon: Maintain prime import/export refcount for BOs
  drm/amdgpu: Refuse to pin or change acceptable domains of prime BOs to VRAM. (v2)
  drm/amdgpu: Fail fb creation from imported dma-bufs. (v2)
  drm/radeon: Fail fb creation from imported dma-bufs.

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -1242,6 +1242,7 @@ static int amdgpu_cs_wait_all_fences(struct amdgpu_device *adev,
 			continue;
 
 		r = dma_fence_wait_timeout(fence, true, timeout);
+		dma_fence_put(fence);
 		if (r < 0)
 			return r;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1040,35 +1040,31 @@ static bool amdgpu_check_pot_argument(int arg)
 	return (arg & (arg - 1)) == 0;
 }
 
-static void amdgpu_get_block_size(struct amdgpu_device *adev)
+static void amdgpu_check_block_size(struct amdgpu_device *adev)
 {
 	/* defines number of bits in page table versus page directory,
 	 * a page is 4KB so we have 12 bits offset, minimum 9 bits in the
 	 * page table and the remaining bits are in the page directory */
-	if (amdgpu_vm_block_size == -1) {
-
-		/* Total bits covered by PD + PTs */
-		unsigned bits = ilog2(amdgpu_vm_size) + 18;
-
-		/* Make sure the PD is 4K in size up to 8GB address space.
-		   Above that split equal between PD and PTs */
-		if (amdgpu_vm_size <= 8)
-			amdgpu_vm_block_size = bits - 9;
-		else
-			amdgpu_vm_block_size = (bits + 3) / 2;
+	if (amdgpu_vm_block_size == -1)
+		return;
 
-	} else if (amdgpu_vm_block_size < 9) {
+	if (amdgpu_vm_block_size < 9) {
 		dev_warn(adev->dev, "VM page table size (%d) too small\n",
 			 amdgpu_vm_block_size);
-		amdgpu_vm_block_size = 9;
+		goto def_value;
 	}
 
 	if (amdgpu_vm_block_size > 24 ||
 	    (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) {
 		dev_warn(adev->dev, "VM page table size (%d) too large\n",
 			 amdgpu_vm_block_size);
-		amdgpu_vm_block_size = 9;
+		goto def_value;
 	}
+
+	return;
+
+def_value:
+	amdgpu_vm_block_size = -1;
 }
 
 static void amdgpu_check_vm_size(struct amdgpu_device *adev)
@@ -1097,8 +1093,7 @@ static void amdgpu_check_vm_size(struct amdgpu_device *adev)
 	return;
 
 def_value:
-	amdgpu_vm_size = 8;
-	dev_info(adev->dev, "set default VM size %dGB\n", amdgpu_vm_size);
+	amdgpu_vm_size = -1;
 }
 
 /**
@@ -1132,7 +1127,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
 
 	amdgpu_check_vm_size(adev);
 
-	amdgpu_get_block_size(adev);
+	amdgpu_check_block_size(adev);
 
 	if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 ||
 	    !amdgpu_check_pot_argument(amdgpu_vram_page_split))) {

drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

@@ -614,6 +614,12 @@ amdgpu_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-ENOENT);
 	}
 
+	/* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */
+	if (obj->import_attach) {
+		DRM_DEBUG_KMS("Cannot create framebuffer from imported dma_buf\n");
+		return ERR_PTR(-EINVAL);
+	}
+
 	amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
 	if (amdgpu_fb == NULL) {
 		drm_gem_object_unreference_unlocked(obj);

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -86,7 +86,7 @@ int amdgpu_runtime_pm = -1;
 unsigned amdgpu_ip_block_mask = 0xffffffff;
 int amdgpu_bapm = -1;
 int amdgpu_deep_color = 0;
-int amdgpu_vm_size = 64;
+int amdgpu_vm_size = -1;
 int amdgpu_vm_block_size = -1;
 int amdgpu_vm_fault_stop = 0;
 int amdgpu_vm_debug = 0;

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -729,6 +729,11 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
 		break;
 	}
 	case AMDGPU_GEM_OP_SET_PLACEMENT:
+		if (robj->prime_shared_count && (args->value & AMDGPU_GEM_DOMAIN_VRAM)) {
+			r = -EINVAL;
+			amdgpu_bo_unreserve(robj);
+			break;
+		}
 		if (amdgpu_ttm_tt_get_usermm(robj->tbo.ttm)) {
 			r = -EPERM;
 			amdgpu_bo_unreserve(robj);

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -650,6 +650,10 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 	if (WARN_ON_ONCE(min_offset > max_offset))
 		return -EINVAL;
 
+	/* A shared bo cannot be migrated to VRAM */
+	if (bo->prime_shared_count && (domain == AMDGPU_GEM_DOMAIN_VRAM))
+		return -EINVAL;
+
 	if (bo->pin_count) {
 		uint32_t mem_type = bo->tbo.mem.mem_type;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -554,6 +554,7 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
 	uint64_t offset = page_offset;
 
 	page_offset = do_div(offset, size);
+	mm += offset;
 	return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + page_offset;
 }
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -2064,6 +2064,44 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
 	}
 }
 
+static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
+{
+	/* Total bits covered by PD + PTs */
+	unsigned bits = ilog2(vm_size) + 18;
+
+	/* Make sure the PD is 4K in size up to 8GB address space.
+	   Above that split equal between PD and PTs */
+	if (vm_size <= 8)
+		return (bits - 9);
+	else
+		return ((bits + 3) / 2);
+}
+
+/**
+ * amdgpu_vm_adjust_size - adjust vm size and block size
+ *
+ * @adev: amdgpu_device pointer
+ * @vm_size: the default vm size if it's set auto
+ */
+void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size)
+{
+	/* adjust vm size firstly */
+	if (amdgpu_vm_size == -1)
+		adev->vm_manager.vm_size = vm_size;
+	else
+		adev->vm_manager.vm_size = amdgpu_vm_size;
+
+	/* block size depends on vm size */
+	if (amdgpu_vm_block_size == -1)
+		adev->vm_manager.block_size =
+			amdgpu_vm_get_block_size(adev->vm_manager.vm_size);
+	else
+		adev->vm_manager.block_size = amdgpu_vm_block_size;
+
+	DRM_INFO("vm size is %llu GB, block size is %u-bit\n",
+		adev->vm_manager.vm_size, adev->vm_manager.block_size);
+}
+
 /**
  * amdgpu_vm_init - initialize a vm instance
  *

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

@@ -234,5 +234,6 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
 				uint64_t saddr, uint64_t size);
 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
 		      struct amdgpu_bo_va *bo_va);
+void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size);
 
 #endif

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

@@ -1090,23 +1090,10 @@ static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 	a.full = dfixed_const(available_bandwidth);
 	b.full = dfixed_const(wm->num_heads);
 	a.full = dfixed_div(a, b);
+	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+	tmp = min(dfixed_trunc(a), tmp);
 
-	b.full = dfixed_const(mc_latency + 512);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(b, c);
-
-	c.full = dfixed_const(dmif_size);
-	b.full = dfixed_div(c, b);
-
-	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
-	b.full = dfixed_const(1000);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(c, b);
-	c.full = dfixed_const(wm->bytes_per_pixel);
-	b.full = dfixed_mul(b, c);
-
-	lb_fill_bw = min(tmp, dfixed_trunc(b));
+	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 	b.full = dfixed_const(1000);
@@ -1214,14 +1201,14 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
 {
 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 	struct dce10_wm_params wm_low, wm_high;
-	u32 pixel_period;
+	u32 active_time;
 	u32 line_time = 0;
 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
 
 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
-		pixel_period = 1000000 / (u32)mode->clock;
-		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+		active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+		line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);
 
 		/* watermark for high clocks */
 		if (adev->pm.dpm_enabled) {
@@ -1236,7 +1223,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_high.disp_clk = mode->clock;
 		wm_high.src_width = mode->crtc_hdisplay;
-		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_high.active_time = active_time;
 		wm_high.blank_time = line_time - wm_high.active_time;
 		wm_high.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1275,7 +1262,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_low.disp_clk = mode->clock;
 		wm_low.src_width = mode->crtc_hdisplay;
-		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_low.active_time = active_time;
 		wm_low.blank_time = line_time - wm_low.active_time;
 		wm_low.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

@@ -1059,23 +1059,10 @@ static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 	a.full = dfixed_const(available_bandwidth);
 	b.full = dfixed_const(wm->num_heads);
 	a.full = dfixed_div(a, b);
+	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+	tmp = min(dfixed_trunc(a), tmp);
 
-	b.full = dfixed_const(mc_latency + 512);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(b, c);
-
-	c.full = dfixed_const(dmif_size);
-	b.full = dfixed_div(c, b);
-
-	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
-	b.full = dfixed_const(1000);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(c, b);
-	c.full = dfixed_const(wm->bytes_per_pixel);
-	b.full = dfixed_mul(b, c);
-
-	lb_fill_bw = min(tmp, dfixed_trunc(b));
+	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 	b.full = dfixed_const(1000);
@@ -1183,14 +1170,14 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
 {
 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 	struct dce10_wm_params wm_low, wm_high;
-	u32 pixel_period;
+	u32 active_time;
 	u32 line_time = 0;
 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
 
 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
-		pixel_period = 1000000 / (u32)mode->clock;
-		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+		active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+		line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);
 
 		/* watermark for high clocks */
 		if (adev->pm.dpm_enabled) {
@@ -1205,7 +1192,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_high.disp_clk = mode->clock;
 		wm_high.src_width = mode->crtc_hdisplay;
-		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_high.active_time = active_time;
 		wm_high.blank_time = line_time - wm_high.active_time;
 		wm_high.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1244,7 +1231,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_low.disp_clk = mode->clock;
 		wm_low.src_width = mode->crtc_hdisplay;
-		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_low.active_time = active_time;
 		wm_low.blank_time = line_time - wm_low.active_time;
 		wm_low.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)

drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

@@ -861,23 +861,10 @@ static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
 	a.full = dfixed_const(available_bandwidth);
 	b.full = dfixed_const(wm->num_heads);
 	a.full = dfixed_div(a, b);
+	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+	tmp = min(dfixed_trunc(a), tmp);
 
-	b.full = dfixed_const(mc_latency + 512);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(b, c);
-
-	c.full = dfixed_const(dmif_size);
-	b.full = dfixed_div(c, b);
-
-	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
-	b.full = dfixed_const(1000);
-	c.full = dfixed_const(wm->disp_clk);
-	b.full = dfixed_div(c, b);
-	c.full = dfixed_const(wm->bytes_per_pixel);
-	b.full = dfixed_mul(b, c);
-
-	lb_fill_bw = min(tmp, dfixed_trunc(b));
+	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 	b.full = dfixed_const(1000);
@@ -986,7 +973,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 	struct dce6_wm_params wm_low, wm_high;
 	u32 dram_channels;
-	u32 pixel_period;
+	u32 active_time;
 	u32 line_time = 0;
 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 	u32 priority_a_mark = 0, priority_b_mark = 0;
@@ -996,8 +983,8 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 	fixed20_12 a, b, c;
 
 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
-		pixel_period = 1000000 / (u32)mode->clock;
-		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+		active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+		line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);
 		priority_a_cnt = 0;
 		priority_b_cnt = 0;
 
@@ -1016,7 +1003,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_high.disp_clk = mode->clock;
 		wm_high.src_width = mode->crtc_hdisplay;
-		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_high.active_time = active_time;
 		wm_high.blank_time = line_time - wm_high.active_time;
 		wm_high.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1043,7 +1030,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 
 		wm_low.disp_clk = mode->clock;
 		wm_low.src_width = mode->crtc_hdisplay;
-		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+		wm_low.active_time = active_time;
 		wm_low.blank_time = line_time - wm_low.active_time;
 		wm_low.interlaced = false;
 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)