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drm/i915/gvt: Extract mmio_read_from_hw() common function

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The mmio read handler for ring timestmap / instdone register are same
as reading hw value directly.

Extract it as common function to reduce code duplications.

Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
This commit is contained in:
Xiong Zhang 2017-10-14 06:34:46 +08:00 committed by Zhi Wang
parent edee7ecdb4
commit 20a2bcdec5
1 changed files with 5 additions and 16 deletions
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21
drivers/gpu/drm/i915/gvt/handlers.c
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@ -1429,18 +1429,7 @@ static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
return 0;
}
static int ring_timestamp_mmio_read(struct intel_vgpu *vgpu,
unsigned int offset, void *p_data, unsigned int bytes)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
mmio_hw_access_pre(dev_priv);
vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
mmio_hw_access_post(dev_priv);
return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
}
static int instdone_mmio_read(struct intel_vgpu *vgpu,
static int mmio_read_from_hw(struct intel_vgpu *vgpu,
unsigned int offset, void *p_data, unsigned int bytes)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
@ -1637,9 +1626,9 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
#undef RING_REG
#define RING_REG(base) (base + 0x6c)
MMIO_RING_DFH(RING_REG, D_ALL, 0, instdone_mmio_read, NULL);
MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
#undef RING_REG
MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, instdone_mmio_read, NULL);
MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
MMIO_GM_RDR(0x2148, D_ALL, NULL, NULL);
MMIO_GM_RDR(CCID, D_ALL, NULL, NULL);
@ -1663,9 +1652,9 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
mmio_read_from_hw, NULL);
MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
mmio_read_from_hw, NULL);
MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,