drm: Add support for Intel i965G chipsets.
This is a patch prepared by Guangdeng Liao based off of Tungsten Graphics's final code drop. From: Alan Hourihane <alanh@tungstengraphics.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
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@ -287,5 +287,9 @@
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{0x8086, 0x2592, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x2772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x27a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x2972, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x2982, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x2992, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0x8086, 0x29a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
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{0, 0, 0}
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@ -31,6 +31,11 @@
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#include "i915_drm.h"
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#include "i915_drv.h"
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#define IS_I965G(dev) (dev->pdev->device == 0x2972 || \
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dev->pdev->device == 0x2982 || \
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dev->pdev->device == 0x2992 || \
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dev->pdev->device == 0x29A2)
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/* Really want an OS-independent resettable timer. Would like to have
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* this loop run for (eg) 3 sec, but have the timer reset every time
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* the head pointer changes, so that EBUSY only happens if the ring
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@ -347,7 +352,7 @@ static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
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if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8)
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return DRM_ERR(EINVAL);
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BEGIN_LP_RING(((dwords+1)&~1));
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BEGIN_LP_RING((dwords+1)&~1);
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for (i = 0; i < dwords;) {
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int cmd, sz;
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@ -395,24 +400,40 @@ static int i915_emit_box(drm_device_t * dev,
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return DRM_ERR(EINVAL);
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}
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BEGIN_LP_RING(6);
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OUT_RING(GFX_OP_DRAWRECT_INFO);
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OUT_RING(DR1);
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OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
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OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
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OUT_RING(DR4);
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OUT_RING(0);
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ADVANCE_LP_RING();
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if (IS_I965G(dev)) {
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BEGIN_LP_RING(4);
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OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
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OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
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OUT_RING(((box.x2 - 1) & 0xffff) ((box.y2 - 1) << 16));
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OUT_RING(DR4);
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ADVANCE_LP_RING();
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} else {
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BEGIN_LP_RING(6);
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OUT_RING(GFX_OP_DRAWRECT_INFO);
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OUT_RING(DR1);
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OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
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OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
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OUT_RING(DR4);
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OUT_RING(0);
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ADVANCE_LP_RING();
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}
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return 0;
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}
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/* XXX: Emitting the counter should really be moved to part of the IRQ
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* emit. For now, do it in both places:
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*/
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static void i915_emit_breadcrumb(drm_device_t *dev)
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{
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drm_i915_private_t *dev_priv = dev->dev_private;
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RING_LOCALS;
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dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
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dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
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if (dev_priv->counter > 0x7FFFFFFFUL)
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dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
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BEGIN_LP_RING(4);
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OUT_RING(CMD_STORE_DWORD_IDX);
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@ -98,6 +98,12 @@ typedef struct _drm_i915_sarea {
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int rotated_size;
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int rotated_pitch;
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int virtualX, virtualY;
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unsigned int front_tiled;
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unsigned int back_tiled;
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unsigned int depth_tiled;
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unsigned int rotated_tiled;
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unsigned int rotated2_tiled;
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} drm_i915_sarea_t;
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/* Flags for perf_boxes
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@ -146,9 +146,9 @@ extern void i915_mem_release(drm_device_t * dev,
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#define BEGIN_LP_RING(n) do { \
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if (I915_VERBOSE) \
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DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \
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n, __FUNCTION__); \
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if (dev_priv->ring.space < n*4) \
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i915_wait_ring(dev, n*4, __FUNCTION__); \
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(n), __FUNCTION__); \
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if (dev_priv->ring.space < (n)*4) \
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i915_wait_ring(dev, (n)*4, __FUNCTION__); \
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outcount = 0; \
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outring = dev_priv->ring.tail; \
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ringmask = dev_priv->ring.tail_mask; \
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@ -157,7 +157,7 @@ extern void i915_mem_release(drm_device_t * dev,
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#define OUT_RING(n) do { \
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if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
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*(volatile unsigned int *)(virt + outring) = n; \
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*(volatile unsigned int *)(virt + outring) = (n); \
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outcount++; \
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outring += 4; \
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outring &= ringmask; \
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@ -254,6 +254,8 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
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#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
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#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
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#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
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#define MI_BATCH_BUFFER ((0x30<<23)|1)
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#define MI_BATCH_BUFFER_START (0x31<<23)
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#define MI_BATCH_BUFFER_END (0xA<<23)
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@ -71,21 +71,27 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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static int i915_emit_irq(drm_device_t * dev)
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{
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drm_i915_private_t *dev_priv = dev->dev_private;
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u32 ret;
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RING_LOCALS;
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i915_kernel_lost_context(dev);
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DRM_DEBUG("%s\n", __FUNCTION__);
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ret = dev_priv->counter;
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dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
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BEGIN_LP_RING(2);
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if (dev_priv->counter > 0x7FFFFFFFUL)
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dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
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BEGIN_LP_RING(6);
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OUT_RING(CMD_STORE_DWORD_IDX);
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OUT_RING(20);
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OUT_RING(dev_priv->counter);
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OUT_RING(0);
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OUT_RING(0);
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OUT_RING(GFX_OP_USER_INTERRUPT);
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ADVANCE_LP_RING();
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return ret;
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return dev_priv->counter;
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}
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static int i915_wait_irq(drm_device_t * dev, int irq_nr)
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