From 870e86ddc2d110124812b277643ed0f2767148ee Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 2 Aug 2010 16:29:44 +0200 Subject: [PATCH] drm/i915: use new macros to access the ring tail register Signed-off-by: Daniel Vetter Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/intel_ringbuffer.c | 63 +++++++------------------ drivers/gpu/drm/i915/intel_ringbuffer.h | 9 ++-- 2 files changed, 22 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index c1517b2d2f08..4b797e7dc95d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -126,17 +126,12 @@ static unsigned int render_ring_get_head(struct drm_device *dev, return I915_READ(PRB0_HEAD) & HEAD_ADDR; } -static unsigned int render_ring_get_tail(struct drm_device *dev, - struct intel_ring_buffer *ring) +static void ring_set_tail(struct drm_device *dev, + struct intel_ring_buffer *ring, + u32 value) { drm_i915_private_t *dev_priv = dev->dev_private; - return I915_READ(PRB0_TAIL) & TAIL_ADDR; -} - -static inline void render_ring_set_tail(struct drm_device *dev, u32 value) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - I915_WRITE(PRB0_TAIL, value); + I915_WRITE_TAIL(ring, ring->tail); } static unsigned int render_ring_get_active_head(struct drm_device *dev, @@ -159,7 +154,7 @@ static int init_ring_common(struct drm_device *dev, /* Stop the ring if it's running. */ I915_WRITE(ring->regs.ctl, 0); I915_WRITE(ring->regs.head, 0); - ring->set_tail(dev, 0); + ring->set_tail(dev, ring, 0); /* Initialize the ring. */ I915_WRITE(ring->regs.start, obj_priv->gtt_offset); @@ -172,7 +167,7 @@ static int init_ring_common(struct drm_device *dev, ring->name, I915_READ(ring->regs.ctl), I915_READ(ring->regs.head), - I915_READ(ring->regs.tail), + I915_READ_TAIL(ring), I915_READ(ring->regs.start)); I915_WRITE(ring->regs.head, 0); @@ -182,7 +177,7 @@ static int init_ring_common(struct drm_device *dev, ring->name, I915_READ(ring->regs.ctl), I915_READ(ring->regs.head), - I915_READ(ring->regs.tail), + I915_READ_TAIL(ring), I915_READ(ring->regs.start)); } @@ -198,7 +193,7 @@ static int init_ring_common(struct drm_device *dev, ring->name, I915_READ(ring->regs.ctl), I915_READ(ring->regs.head), - I915_READ(ring->regs.tail), + I915_READ_TAIL(ring), I915_READ(ring->regs.start)); return -EIO; } @@ -207,7 +202,7 @@ static int init_ring_common(struct drm_device *dev, i915_kernel_lost_context(dev); else { ring->head = ring->get_head(dev, ring); - ring->tail = ring->get_tail(dev, ring); + ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; ring->space = ring->head - (ring->tail + 8); if (ring->space < 0) ring->space += ring->size; @@ -393,19 +388,6 @@ static inline unsigned int bsd_ring_get_head(struct drm_device *dev, return I915_READ(BSD_RING_HEAD) & HEAD_ADDR; } -static inline unsigned int bsd_ring_get_tail(struct drm_device *dev, - struct intel_ring_buffer *ring) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - return I915_READ(BSD_RING_TAIL) & TAIL_ADDR; -} - -static inline void bsd_ring_set_tail(struct drm_device *dev, u32 value) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - I915_WRITE(BSD_RING_TAIL, value); -} - static inline unsigned int bsd_ring_get_active_head(struct drm_device *dev, struct intel_ring_buffer *ring) { @@ -620,6 +602,7 @@ err: int intel_init_ring_buffer(struct drm_device *dev, struct intel_ring_buffer *ring) { + struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv; struct drm_gem_object *obj; int ret; @@ -668,7 +651,7 @@ int intel_init_ring_buffer(struct drm_device *dev, i915_kernel_lost_context(dev); else { ring->head = ring->get_head(dev, ring); - ring->tail = ring->get_tail(dev, ring); + ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; ring->space = ring->head - (ring->tail + 8); if (ring->space < 0) ring->space += ring->size; @@ -774,7 +757,7 @@ void intel_ring_advance(struct drm_device *dev, struct intel_ring_buffer *ring) { ring->tail &= ring->size - 1; - ring->set_tail(dev, ring->tail); + ring->set_tail(dev, ring, ring->tail); } void intel_fill_struct(struct drm_device *dev, @@ -798,7 +781,6 @@ static const struct intel_ring_buffer render_ring = { .regs = { .ctl = PRB0_CTL, .head = PRB0_HEAD, - .tail = PRB0_TAIL, .start = PRB0_START }, .mmio_base = RENDER_RING_BASE, @@ -816,8 +798,7 @@ static const struct intel_ring_buffer render_ring = { .setup_status_page = render_setup_status_page, .init = init_render_ring, .get_head = render_ring_get_head, - .get_tail = render_ring_get_tail, - .set_tail = render_ring_set_tail, + .set_tail = ring_set_tail, .get_active_head = render_ring_get_active_head, .flush = render_ring_flush, .add_request = render_ring_add_request, @@ -837,7 +818,6 @@ static const struct intel_ring_buffer bsd_ring = { .regs = { .ctl = BSD_RING_CTL, .head = BSD_RING_HEAD, - .tail = BSD_RING_TAIL, .start = BSD_RING_START }, .mmio_base = BSD_RING_BASE, @@ -855,8 +835,7 @@ static const struct intel_ring_buffer bsd_ring = { .setup_status_page = bsd_setup_status_page, .init = init_bsd_ring, .get_head = bsd_ring_get_head, - .get_tail = bsd_ring_get_tail, - .set_tail = bsd_ring_set_tail, + .set_tail = ring_set_tail, .get_active_head = bsd_ring_get_active_head, .flush = bsd_ring_flush, .add_request = bsd_ring_add_request, @@ -884,15 +863,9 @@ static inline unsigned int gen6_bsd_ring_get_head(struct drm_device *dev, return I915_READ(GEN6_BSD_RING_HEAD) & HEAD_ADDR; } -static inline unsigned int gen6_bsd_ring_get_tail(struct drm_device *dev, - struct intel_ring_buffer *ring) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - return I915_READ(GEN6_BSD_RING_TAIL) & TAIL_ADDR; -} - static inline void gen6_bsd_ring_set_tail(struct drm_device *dev, - u32 value) + struct intel_ring_buffer *ring, + u32 value) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -907,7 +880,7 @@ static inline void gen6_bsd_ring_set_tail(struct drm_device *dev, 50)) DRM_ERROR("timed out waiting for IDLE Indicator\n"); - I915_WRITE(GEN6_BSD_RING_TAIL, value); + I915_WRITE_TAIL(ring, value); I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL, GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK | GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE); @@ -956,7 +929,6 @@ static const struct intel_ring_buffer gen6_bsd_ring = { .regs = { .ctl = GEN6_BSD_RING_CTL, .head = GEN6_BSD_RING_HEAD, - .tail = GEN6_BSD_RING_TAIL, .start = GEN6_BSD_RING_START }, .mmio_base = GEN6_BSD_RING_BASE, @@ -974,7 +946,6 @@ static const struct intel_ring_buffer gen6_bsd_ring = { .setup_status_page = gen6_bsd_setup_status_page, .init = init_bsd_ring, .get_head = gen6_bsd_ring_get_head, - .get_tail = gen6_bsd_ring_get_tail, .set_tail = gen6_bsd_ring_set_tail, .get_active_head = gen6_bsd_ring_get_active_head, .flush = gen6_bsd_ring_flush, diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 3917d8b1c1a9..2dfcd9bad3ce 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -7,6 +7,9 @@ struct intel_hw_status_page { struct drm_gem_object *obj; }; +#define I915_READ_TAIL(ring) I915_READ(RING_TAIL(ring->mmio_base)) +#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL(ring->mmio_base), val) + struct drm_i915_gem_execbuffer2; struct intel_ring_buffer { const char *name; @@ -17,7 +20,6 @@ struct intel_ring_buffer { struct ring_regs { u32 ctl; u32 head; - u32 tail; u32 start; } regs; u32 mmio_base; @@ -47,10 +49,9 @@ struct intel_ring_buffer { unsigned int (*get_head)(struct drm_device *dev, struct intel_ring_buffer *ring); - unsigned int (*get_tail)(struct drm_device *dev, - struct intel_ring_buffer *ring); void (*set_tail)(struct drm_device *dev, - u32 value); + struct intel_ring_buffer *ring, + u32 value); unsigned int (*get_active_head)(struct drm_device *dev, struct intel_ring_buffer *ring); void (*flush)(struct drm_device *dev,