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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.c113
1 files changed, 107 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index d7ad5139d17c..4f00390d7c61 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -65,7 +65,7 @@
#define OCMD_YUV_410_PLANAR (0xe<<10) /* also 411 */
#define OCMD_TVSYNCFLIP_PARITY (0x1<<9)
#define OCMD_TVSYNCFLIP_ENABLE (0x1<<7)
-#define OCMD_BUF_TYPE_MASK (Ox1<<5)
+#define OCMD_BUF_TYPE_MASK (0x1<<5)
#define OCMD_BUF_TYPE_FRAME (0x0<<5)
#define OCMD_BUF_TYPE_FIELD (0x1<<5)
#define OCMD_TEST_MODE (0x1<<4)
@@ -185,7 +185,8 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
if (OVERLAY_NONPHYSICAL(overlay->dev)) {
regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
- overlay->reg_bo->gtt_offset);
+ overlay->reg_bo->gtt_offset,
+ KM_USER0);
if (!regs) {
DRM_ERROR("failed to map overlay regs in GTT\n");
@@ -200,7 +201,7 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
if (OVERLAY_NONPHYSICAL(overlay->dev))
- io_mapping_unmap_atomic(overlay->virt_addr);
+ io_mapping_unmap_atomic(overlay->virt_addr, KM_USER0);
overlay->virt_addr = NULL;
@@ -958,7 +959,7 @@ static int check_overlay_src(struct drm_device *dev,
|| rec->src_width < N_HORIZ_Y_TAPS*4)
return -EINVAL;
- /* check alingment constrains */
+ /* check alignment constraints */
switch (rec->flags & I915_OVERLAY_TYPE_MASK) {
case I915_OVERLAY_RGB:
/* not implemented */
@@ -990,7 +991,10 @@ static int check_overlay_src(struct drm_device *dev,
return -EINVAL;
/* stride checking */
- stride_mask = 63;
+ if (IS_I830(dev) || IS_845G(dev))
+ stride_mask = 255;
+ else
+ stride_mask = 63;
if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)
return -EINVAL;
@@ -1363,7 +1367,8 @@ void intel_setup_overlay(struct drm_device *dev)
overlay->flip_addr = overlay->reg_bo->gtt_offset;
} else {
ret = i915_gem_attach_phys_object(dev, reg_bo,
- I915_GEM_PHYS_OVERLAY_REGS);
+ I915_GEM_PHYS_OVERLAY_REGS,
+ 0);
if (ret) {
DRM_ERROR("failed to attach phys overlay regs\n");
goto out_free_bo;
@@ -1412,3 +1417,99 @@ void intel_cleanup_overlay(struct drm_device *dev)
kfree(dev_priv->overlay);
}
}
+
+struct intel_overlay_error_state {
+ struct overlay_registers regs;
+ unsigned long base;
+ u32 dovsta;
+ u32 isr;
+};
+
+struct intel_overlay_error_state *
+intel_overlay_capture_error_state(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_overlay *overlay = dev_priv->overlay;
+ struct intel_overlay_error_state *error;
+ struct overlay_registers __iomem *regs;
+
+ if (!overlay || !overlay->active)
+ return NULL;
+
+ error = kmalloc(sizeof(*error), GFP_ATOMIC);
+ if (error == NULL)
+ return NULL;
+
+ error->dovsta = I915_READ(DOVSTA);
+ error->isr = I915_READ(ISR);
+ if (OVERLAY_NONPHYSICAL(overlay->dev))
+ error->base = (long) overlay->reg_bo->gtt_offset;
+ else
+ error->base = (long) overlay->reg_bo->phys_obj->handle->vaddr;
+
+ regs = intel_overlay_map_regs_atomic(overlay);
+ if (!regs)
+ goto err;
+
+ memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers));
+ intel_overlay_unmap_regs_atomic(overlay);
+
+ return error;
+
+err:
+ kfree(error);
+ return NULL;
+}
+
+void
+intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error)
+{
+ seq_printf(m, "Overlay, status: 0x%08x, interrupt: 0x%08x\n",
+ error->dovsta, error->isr);
+ seq_printf(m, " Register file at 0x%08lx:\n",
+ error->base);
+
+#define P(x) seq_printf(m, " " #x ": 0x%08x\n", error->regs.x)
+ P(OBUF_0Y);
+ P(OBUF_1Y);
+ P(OBUF_0U);
+ P(OBUF_0V);
+ P(OBUF_1U);
+ P(OBUF_1V);
+ P(OSTRIDE);
+ P(YRGB_VPH);
+ P(UV_VPH);
+ P(HORZ_PH);
+ P(INIT_PHS);
+ P(DWINPOS);
+ P(DWINSZ);
+ P(SWIDTH);
+ P(SWIDTHSW);
+ P(SHEIGHT);
+ P(YRGBSCALE);
+ P(UVSCALE);
+ P(OCLRC0);
+ P(OCLRC1);
+ P(DCLRKV);
+ P(DCLRKM);
+ P(SCLRKVH);
+ P(SCLRKVL);
+ P(SCLRKEN);
+ P(OCONFIG);
+ P(OCMD);
+ P(OSTART_0Y);
+ P(OSTART_1Y);
+ P(OSTART_0U);
+ P(OSTART_0V);
+ P(OSTART_1U);
+ P(OSTART_1V);
+ P(OTILEOFF_0Y);
+ P(OTILEOFF_1Y);
+ P(OTILEOFF_0U);
+ P(OTILEOFF_0V);
+ P(OTILEOFF_1U);
+ P(OTILEOFF_1V);
+ P(FASTHSCALE);
+ P(UVSCALEV);
+#undef P
+}