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drm/i915: Don't use pipe_offset stuff for DPLL registers 

These are just single registers so wasting space for the pipe offsets
seems a bit pointless. So just use the _PIPE3() macro instead.

Also rewrite the _PIPE3() macro to be more obvious, and protect the
arguments properly.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Frob conflict.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-04-09 13:29:08 +03:00 committed by Daniel Vetter
parent 61407f6dd3
commit 2d401b175f
3 changed files with 10 additions and 24 deletions
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6
drivers/gpu/drm/i915/i915_drv.c
View File

@ -46,8 +46,6 @@ static struct drm_driver driver;
PIPE_C_OFFSET, PIPE_EDP_OFFSET }, \
.trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
TRANSCODER_C_OFFSET, TRANSCODER_EDP_OFFSET }, \
.dpll_offsets = { DPLL_A_OFFSET, DPLL_B_OFFSET }, \
.dpll_md_offsets = { DPLL_A_MD_OFFSET, DPLL_B_MD_OFFSET }, \
.palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET }
#define GEN_CHV_PIPEOFFSETS \
@ -55,10 +53,6 @@ static struct drm_driver driver;
CHV_PIPE_C_OFFSET }, \
.trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
CHV_TRANSCODER_C_OFFSET, }, \
.dpll_offsets = { DPLL_A_OFFSET, DPLL_B_OFFSET, \
CHV_DPLL_C_OFFSET }, \
.dpll_md_offsets = { DPLL_A_MD_OFFSET, DPLL_B_MD_OFFSET, \
CHV_DPLL_C_MD_OFFSET }, \
.palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET, \
CHV_PALETTE_C_OFFSET }

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -552,8 +552,6 @@ struct intel_device_info {
/* Register offsets for the various display pipes and transcoders */
int pipe_offsets[I915_MAX_TRANSCODERS];
int trans_offsets[I915_MAX_TRANSCODERS];
int dpll_offsets[I915_MAX_PIPES];
int dpll_md_offsets[I915_MAX_PIPES];
int palette_offsets[I915_MAX_PIPES];
int cursor_offsets[I915_MAX_PIPES];
};

26
drivers/gpu/drm/i915/i915_reg.h
View File

@ -29,8 +29,8 @@
#define _TRANSCODER(tran, a, b) ((a) + (tran)*((b)-(a)))
#define _PORT(port, a, b) ((a) + (port)*((b)-(a)))
#define _PIPE3(pipe, a, b, c) (pipe < 2 ? _PIPE(pipe, a, b) : c)
#define _PORT3(port, a, b, c) (port < 2 ? _PORT(port, a, b) : c)
#define _PIPE3(pipe, a, b, c) ((pipe) == PIPE_A ? (a) : \
(pipe) == PIPE_B ? (b) : (c))
#define _MASKED_BIT_ENABLE(a) (((a) << 16) | (a))
#define _MASKED_BIT_DISABLE(a) ((a) << 16)
@ -1605,11 +1605,10 @@ enum punit_power_well {
/*
* Clock control & power management
*/
#define DPLL_A_OFFSET 0x6014
#define DPLL_B_OFFSET 0x6018
#define CHV_DPLL_C_OFFSET 0x6030
#define DPLL(pipe) (dev_priv->info.dpll_offsets[pipe] + \
dev_priv->info.display_mmio_offset)
#define _DPLL_A (dev_priv->info.display_mmio_offset + 0x6014)
#define _DPLL_B (dev_priv->info.display_mmio_offset + 0x6018)
#define _CHV_DPLL_C (dev_priv->info.display_mmio_offset + 0x6030)
#define DPLL(pipe) _PIPE3((pipe), _DPLL_A, _DPLL_B, _CHV_DPLL_C)
#define VGA0 0x6000
#define VGA1 0x6004
@ -1697,11 +1696,10 @@ enum punit_power_well {
#define SDVO_MULTIPLIER_SHIFT_HIRES 4
#define SDVO_MULTIPLIER_SHIFT_VGA 0
#define DPLL_A_MD_OFFSET 0x601c /* 965+ only */
#define DPLL_B_MD_OFFSET 0x6020 /* 965+ only */
#define CHV_DPLL_C_MD_OFFSET 0x603c
#define DPLL_MD(pipe) (dev_priv->info.dpll_md_offsets[pipe] + \
dev_priv->info.display_mmio_offset)
#define _DPLL_A_MD (dev_priv->info.display_mmio_offset + 0x601c)
#define _DPLL_B_MD (dev_priv->info.display_mmio_offset + 0x6020)
#define _CHV_DPLL_C_MD (dev_priv->info.display_mmio_offset + 0x603c)
#define DPLL_MD(pipe) _PIPE3((pipe), _DPLL_A_MD, _DPLL_B_MD, _CHV_DPLL_C_MD)
/*
* UDI pixel divider, controlling how many pixels are stuffed into a packet.
@ -6449,9 +6447,5 @@ enum punit_power_well {
/* For UMS only (deprecated): */
#define _PALETTE_A (dev_priv->info.display_mmio_offset + 0xa000)
#define _PALETTE_B (dev_priv->info.display_mmio_offset + 0xa800)
#define _DPLL_A (dev_priv->info.display_mmio_offset + 0x6014)
#define _DPLL_B (dev_priv->info.display_mmio_offset + 0x6018)
#define _DPLL_A_MD (dev_priv->info.display_mmio_offset + 0x601c)
#define _DPLL_B_MD (dev_priv->info.display_mmio_offset + 0x6020)
#endif /* _I915_REG_H_ */