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path: root/drivers/gpu/drm/i915/intel_overlay.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c209
1 files changed, 112 insertions, 97 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 80b331c322f..458743da377 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -187,14 +187,14 @@ struct intel_overlay {
void (*flip_tail)(struct intel_overlay *);
};
-static struct overlay_registers *
+static struct overlay_registers __iomem *
intel_overlay_map_regs(struct intel_overlay *overlay)
{
drm_i915_private_t *dev_priv = overlay->dev->dev_private;
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_obj->handle->vaddr;
else
regs = io_mapping_map_wc(dev_priv->mm.gtt_mapping,
overlay->reg_bo->gtt_offset);
@@ -203,7 +203,7 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
}
static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
- struct overlay_registers *regs)
+ struct overlay_registers __iomem *regs)
{
if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
io_mapping_unmap(regs);
@@ -215,20 +215,21 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
{
struct drm_device *dev = overlay->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
int ret;
BUG_ON(overlay->last_flip_req);
- ret = i915_add_request(LP_RING(dev_priv), NULL, request);
+ ret = i915_add_request(ring, NULL, request);
if (ret) {
kfree(request);
return ret;
}
overlay->last_flip_req = request->seqno;
overlay->flip_tail = tail;
- ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req,
- true);
+ ret = i915_wait_request(ring, overlay->last_flip_req);
if (ret)
return ret;
+ i915_gem_retire_requests(dev);
overlay->last_flip_req = 0;
return 0;
@@ -262,7 +263,7 @@ i830_activate_pipe_a(struct drm_device *dev)
DRM_DEBUG_DRIVER("Enabling pipe A in order to enable overlay\n");
mode = drm_mode_duplicate(dev, &vesa_640x480);
- drm_mode_set_crtcinfo(mode, 0);
+
if (!drm_crtc_helper_set_mode(&crtc->base, mode,
crtc->base.x, crtc->base.y,
crtc->base.fb))
@@ -287,6 +288,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
struct drm_i915_gem_request *request;
int pipe_a_quirk = 0;
int ret;
@@ -306,17 +308,17 @@ static int intel_overlay_on(struct intel_overlay *overlay)
goto out;
}
- ret = BEGIN_LP_RING(4);
+ ret = intel_ring_begin(ring, 4);
if (ret) {
kfree(request);
goto out;
}
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
- OUT_RING(overlay->flip_addr | OFC_UPDATE);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
+ intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
+ intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
ret = intel_overlay_do_wait_request(overlay, request, NULL);
out:
@@ -332,6 +334,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
{
struct drm_device *dev = overlay->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
struct drm_i915_gem_request *request;
u32 flip_addr = overlay->flip_addr;
u32 tmp;
@@ -351,16 +354,16 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
if (tmp & (1 << 17))
DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
- ret = BEGIN_LP_RING(2);
+ ret = intel_ring_begin(ring, 2);
if (ret) {
kfree(request);
return ret;
}
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
- OUT_RING(flip_addr);
- ADVANCE_LP_RING();
+ intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
+ intel_ring_emit(ring, flip_addr);
+ intel_ring_advance(ring);
- ret = i915_add_request(LP_RING(dev_priv), NULL, request);
+ ret = i915_add_request(ring, NULL, request);
if (ret) {
kfree(request);
return ret;
@@ -401,6 +404,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
u32 flip_addr = overlay->flip_addr;
struct drm_i915_gem_request *request;
int ret;
@@ -417,20 +421,20 @@ static int intel_overlay_off(struct intel_overlay *overlay)
* of the hw. Do it in both cases */
flip_addr |= OFC_UPDATE;
- ret = BEGIN_LP_RING(6);
+ ret = intel_ring_begin(ring, 6);
if (ret) {
kfree(request);
return ret;
}
/* wait for overlay to go idle */
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
- OUT_RING(flip_addr);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
+ intel_ring_emit(ring, flip_addr);
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
/* turn overlay off */
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
- OUT_RING(flip_addr);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- ADVANCE_LP_RING();
+ intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+ intel_ring_emit(ring, flip_addr);
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ intel_ring_advance(ring);
return intel_overlay_do_wait_request(overlay, request,
intel_overlay_off_tail);
@@ -442,15 +446,16 @@ static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
int ret;
if (overlay->last_flip_req == 0)
return 0;
- ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req,
- true);
+ ret = i915_wait_request(ring, overlay->last_flip_req);
if (ret)
return ret;
+ i915_gem_retire_requests(dev);
if (overlay->flip_tail)
overlay->flip_tail(overlay);
@@ -467,6 +472,7 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
int ret;
/* Only wait if there is actually an old frame to release to
@@ -483,15 +489,15 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
if (request == NULL)
return -ENOMEM;
- ret = BEGIN_LP_RING(2);
+ ret = intel_ring_begin(ring, 2);
if (ret) {
kfree(request);
return ret;
}
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
ret = intel_overlay_do_wait_request(overlay, request,
intel_overlay_release_old_vid_tail);
@@ -619,14 +625,15 @@ static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = {
0x3000, 0x0800, 0x3000
};
-static void update_polyphase_filter(struct overlay_registers *regs)
+static void update_polyphase_filter(struct overlay_registers __iomem *regs)
{
- memcpy(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs));
- memcpy(regs->UV_HCOEFS, uv_static_hcoeffs, sizeof(uv_static_hcoeffs));
+ memcpy_toio(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs));
+ memcpy_toio(regs->UV_HCOEFS, uv_static_hcoeffs,
+ sizeof(uv_static_hcoeffs));
}
static bool update_scaling_factors(struct intel_overlay *overlay,
- struct overlay_registers *regs,
+ struct overlay_registers __iomem *regs,
struct put_image_params *params)
{
/* fixed point with a 12 bit shift */
@@ -665,16 +672,19 @@ static bool update_scaling_factors(struct intel_overlay *overlay,
overlay->old_xscale = xscale;
overlay->old_yscale = yscale;
- regs->YRGBSCALE = (((yscale & FRACT_MASK) << 20) |
- ((xscale >> FP_SHIFT) << 16) |
- ((xscale & FRACT_MASK) << 3));
+ iowrite32(((yscale & FRACT_MASK) << 20) |
+ ((xscale >> FP_SHIFT) << 16) |
+ ((xscale & FRACT_MASK) << 3),
+ &regs->YRGBSCALE);
- regs->UVSCALE = (((yscale_UV & FRACT_MASK) << 20) |
- ((xscale_UV >> FP_SHIFT) << 16) |
- ((xscale_UV & FRACT_MASK) << 3));
+ iowrite32(((yscale_UV & FRACT_MASK) << 20) |
+ ((xscale_UV >> FP_SHIFT) << 16) |
+ ((xscale_UV & FRACT_MASK) << 3),
+ &regs->UVSCALE);
- regs->UVSCALEV = ((((yscale >> FP_SHIFT) << 16) |
- ((yscale_UV >> FP_SHIFT) << 0)));
+ iowrite32((((yscale >> FP_SHIFT) << 16) |
+ ((yscale_UV >> FP_SHIFT) << 0)),
+ &regs->UVSCALEV);
if (scale_changed)
update_polyphase_filter(regs);
@@ -683,30 +693,32 @@ static bool update_scaling_factors(struct intel_overlay *overlay,
}
static void update_colorkey(struct intel_overlay *overlay,
- struct overlay_registers *regs)
+ struct overlay_registers __iomem *regs)
{
u32 key = overlay->color_key;
switch (overlay->crtc->base.fb->bits_per_pixel) {
case 8:
- regs->DCLRKV = 0;
- regs->DCLRKM = CLK_RGB8I_MASK | DST_KEY_ENABLE;
+ iowrite32(0, &regs->DCLRKV);
+ iowrite32(CLK_RGB8I_MASK | DST_KEY_ENABLE, &regs->DCLRKM);
break;
case 16:
if (overlay->crtc->base.fb->depth == 15) {
- regs->DCLRKV = RGB15_TO_COLORKEY(key);
- regs->DCLRKM = CLK_RGB15_MASK | DST_KEY_ENABLE;
+ iowrite32(RGB15_TO_COLORKEY(key), &regs->DCLRKV);
+ iowrite32(CLK_RGB15_MASK | DST_KEY_ENABLE,
+ &regs->DCLRKM);
} else {
- regs->DCLRKV = RGB16_TO_COLORKEY(key);
- regs->DCLRKM = CLK_RGB16_MASK | DST_KEY_ENABLE;
+ iowrite32(RGB16_TO_COLORKEY(key), &regs->DCLRKV);
+ iowrite32(CLK_RGB16_MASK | DST_KEY_ENABLE,
+ &regs->DCLRKM);
}
break;
case 24:
case 32:
- regs->DCLRKV = key;
- regs->DCLRKM = CLK_RGB24_MASK | DST_KEY_ENABLE;
+ iowrite32(key, &regs->DCLRKV);
+ iowrite32(CLK_RGB24_MASK | DST_KEY_ENABLE, &regs->DCLRKM);
break;
}
}
@@ -761,9 +773,10 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
struct put_image_params *params)
{
int ret, tmp_width;
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
bool scale_changed = false;
struct drm_device *dev = overlay->dev;
+ u32 swidth, swidthsw, sheight, ostride;
BUG_ON(!mutex_is_locked(&dev->struct_mutex));
BUG_ON(!mutex_is_locked(&dev->mode_config.mutex));
@@ -782,16 +795,18 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
goto out_unpin;
if (!overlay->active) {
+ u32 oconfig;
regs = intel_overlay_map_regs(overlay);
if (!regs) {
ret = -ENOMEM;
goto out_unpin;
}
- regs->OCONFIG = OCONF_CC_OUT_8BIT;
+ oconfig = OCONF_CC_OUT_8BIT;
if (IS_GEN4(overlay->dev))
- regs->OCONFIG |= OCONF_CSC_MODE_BT709;
- regs->OCONFIG |= overlay->crtc->pipe == 0 ?
+ oconfig |= OCONF_CSC_MODE_BT709;
+ oconfig |= overlay->crtc->pipe == 0 ?
OCONF_PIPE_A : OCONF_PIPE_B;
+ iowrite32(oconfig, &regs->OCONFIG);
intel_overlay_unmap_regs(overlay, regs);
ret = intel_overlay_on(overlay);
@@ -805,42 +820,46 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
goto out_unpin;
}
- regs->DWINPOS = (params->dst_y << 16) | params->dst_x;
- regs->DWINSZ = (params->dst_h << 16) | params->dst_w;
+ iowrite32((params->dst_y << 16) | params->dst_x, &regs->DWINPOS);
+ iowrite32((params->dst_h << 16) | params->dst_w, &regs->DWINSZ);
if (params->format & I915_OVERLAY_YUV_PACKED)
tmp_width = packed_width_bytes(params->format, params->src_w);
else
tmp_width = params->src_w;
- regs->SWIDTH = params->src_w;
- regs->SWIDTHSW = calc_swidthsw(overlay->dev,
- params->offset_Y, tmp_width);
- regs->SHEIGHT = params->src_h;
- regs->OBUF_0Y = new_bo->gtt_offset + params->offset_Y;
- regs->OSTRIDE = params->stride_Y;
+ swidth = params->src_w;
+ swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width);
+ sheight = params->src_h;
+ iowrite32(new_bo->gtt_offset + params->offset_Y, &regs->OBUF_0Y);
+ ostride = params->stride_Y;
if (params->format & I915_OVERLAY_YUV_PLANAR) {
int uv_hscale = uv_hsubsampling(params->format);
int uv_vscale = uv_vsubsampling(params->format);
u32 tmp_U, tmp_V;
- regs->SWIDTH |= (params->src_w/uv_hscale) << 16;
+ swidth |= (params->src_w/uv_hscale) << 16;
tmp_U = calc_swidthsw(overlay->dev, params->offset_U,
params->src_w/uv_hscale);
tmp_V = calc_swidthsw(overlay->dev, params->offset_V,
params->src_w/uv_hscale);
- regs->SWIDTHSW |= max_t(u32, tmp_U, tmp_V) << 16;
- regs->SHEIGHT |= (params->src_h/uv_vscale) << 16;
- regs->OBUF_0U = new_bo->gtt_offset + params->offset_U;
- regs->OBUF_0V = new_bo->gtt_offset + params->offset_V;
- regs->OSTRIDE |= params->stride_UV << 16;
+ swidthsw |= max_t(u32, tmp_U, tmp_V) << 16;
+ sheight |= (params->src_h/uv_vscale) << 16;
+ iowrite32(new_bo->gtt_offset + params->offset_U, &regs->OBUF_0U);
+ iowrite32(new_bo->gtt_offset + params->offset_V, &regs->OBUF_0V);
+ ostride |= params->stride_UV << 16;
}
+ iowrite32(swidth, &regs->SWIDTH);
+ iowrite32(swidthsw, &regs->SWIDTHSW);
+ iowrite32(sheight, &regs->SHEIGHT);
+ iowrite32(ostride, &regs->OSTRIDE);
+
scale_changed = update_scaling_factors(overlay, regs, params);
update_colorkey(overlay, regs);
- regs->OCMD = overlay_cmd_reg(params);
+ iowrite32(overlay_cmd_reg(params), &regs->OCMD);
intel_overlay_unmap_regs(overlay, regs);
@@ -860,7 +879,7 @@ out_unpin:
int intel_overlay_switch_off(struct intel_overlay *overlay)
{
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
struct drm_device *dev = overlay->dev;
int ret;
@@ -879,7 +898,7 @@ int intel_overlay_switch_off(struct intel_overlay *overlay)
return ret;
regs = intel_overlay_map_regs(overlay);
- regs->OCMD = 0;
+ iowrite32(0, &regs->OCMD);
intel_overlay_unmap_regs(overlay, regs);
ret = intel_overlay_off(overlay);
@@ -1109,11 +1128,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
struct put_image_params *params;
int ret;
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
+ /* No need to check for DRIVER_MODESET - we don't set it up then. */
overlay = dev_priv->overlay;
if (!overlay) {
DRM_DEBUG("userspace bug: no overlay\n");
@@ -1250,10 +1265,11 @@ out_free:
}
static void update_reg_attrs(struct intel_overlay *overlay,
- struct overlay_registers *regs)
+ struct overlay_registers __iomem *regs)
{
- regs->OCLRC0 = (overlay->contrast << 18) | (overlay->brightness & 0xff);
- regs->OCLRC1 = overlay->saturation;
+ iowrite32((overlay->contrast << 18) | (overlay->brightness & 0xff),
+ &regs->OCLRC0);
+ iowrite32(overlay->saturation, &regs->OCLRC1);
}
static bool check_gamma_bounds(u32 gamma1, u32 gamma2)
@@ -1306,14 +1322,10 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
struct drm_intel_overlay_attrs *attrs = data;
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_overlay *overlay;
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
int ret;
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
+ /* No need to check for DRIVER_MODESET - we don't set it up then. */
overlay = dev_priv->overlay;
if (!overlay) {
DRM_DEBUG("userspace bug: no overlay\n");
@@ -1396,7 +1408,7 @@ void intel_setup_overlay(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_overlay *overlay;
struct drm_i915_gem_object *reg_bo;
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
int ret;
if (!HAS_OVERLAY(dev))
@@ -1451,7 +1463,7 @@ void intel_setup_overlay(struct drm_device *dev)
if (!regs)
goto out_unpin_bo;
- memset(regs, 0, sizeof(struct overlay_registers));
+ memset_io(regs, 0, sizeof(struct overlay_registers));
update_polyphase_filter(regs);
update_reg_attrs(overlay, regs);
@@ -1499,14 +1511,17 @@ struct intel_overlay_error_state {
u32 isr;
};
-static struct overlay_registers *
+static struct overlay_registers __iomem *
intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
{
drm_i915_private_t *dev_priv = overlay->dev->dev_private;
- struct overlay_registers *regs;
+ struct overlay_registers __iomem *regs;
if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ /* Cast to make sparse happy, but it's wc memory anyway, so
+ * equivalent to the wc io mapping on X86. */
+ regs = (struct overlay_registers __iomem *)
+ overlay->reg_bo->phys_obj->handle->vaddr;
else
regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
overlay->reg_bo->gtt_offset);
@@ -1515,7 +1530,7 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
}
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
- struct overlay_registers *regs)
+ struct overlay_registers __iomem *regs)
{
if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
io_mapping_unmap_atomic(regs);
@@ -1540,9 +1555,9 @@ intel_overlay_capture_error_state(struct drm_device *dev)
error->dovsta = I915_READ(DOVSTA);
error->isr = I915_READ(ISR);
if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- error->base = (long) overlay->reg_bo->phys_obj->handle->vaddr;
+ error->base = (__force long)overlay->reg_bo->phys_obj->handle->vaddr;
else
- error->base = (long) overlay->reg_bo->gtt_offset;
+ error->base = overlay->reg_bo->gtt_offset;
regs = intel_overlay_map_regs_atomic(overlay);
if (!regs)
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 06:57:06 +0000