On Tue, 2 Oct 2012 17:43:35 -0500
Jesse Barnes <jbar...@virtuousgeek.org> wrote:
> Add a few regs needed for various clock gating init purposes and make
> sure they don't fall into the display offset range on VLV.
>
> Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 17 +++++++++++++++++
> drivers/gpu/drm/i915/i915_reg.h | 11 +++++++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c
> b/drivers/gpu/drm/i915/i915_drv.c index a7837e5..205f61c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1128,6 +1128,23 @@ static bool IS_DISPLAYREG(u32 reg)
> if (reg == GEN6_GDRST)
> return false;
>
> + switch (reg) {
> + case _3D_CHICKEN3:
> + case IVB_CHICKEN3:
> + case GEN7_HALF_SLICE_CHICKEN1:
> + case GEN7_COMMON_SLICE_CHICKEN1:
> + case GEN7_L3CNTLREG1:
> + case GEN7_L3_CHICKEN_MODE_REGISTER:
> + case GEN7_ROW_CHICKEN2:
> + case GEN7_L3SQCREG4:
> + case GEN7_SQ_CHICKEN_MBCUNIT_CONFIG:
> + case GEN6_MBCTL:
> + case GEN6_UCGCTL2:
> + case GEN7_UCGCTL4:
> + return false;
> + default:
> + break;
> + }
> return true;
> }
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h
> b/drivers/gpu/drm/i915/i915_reg.h index a828e90..7d133a1 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -544,6 +544,8 @@
> #define IIR 0x020a4
> #define IMR 0x020a8
> #define ISR 0x020ac
> +#define VLV_GUNIT_CLOCK_GATE 0x182060
> +#define GCFG_DIS (1<<8)
> #define VLV_IIR_RW 0x182084
> #define VLV_IER 0x1820a0
> #define VLV_IIR 0x1820a4
This hunk doesn't really belong here, but not a big deal for me.
> @@ -4244,6 +4246,15 @@
> #define GEN7_L3LOG_BASE 0xB070
> #define GEN7_L3LOG_SIZE 0x80
>
> +#define GEN7_HALF_SLICE_CHICKEN1 0xe100 /* IVB GT1 + VLV */
> +#define GEN7_HALF_SLICE_CHICKEN1_IVB 0xf100
> +#define GEN7_MAX_PS_THREAD_DEP (8<<12)
> +#define GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE (1<<3)
> +
> +#define GEN7_ROW_CHICKEN2 0xe4f4
> +#define GEN7_ROW_CHICKEN2_GT2 0xf4f4
> +#define DOP_CLOCK_GATING_DISABLE (1<<0)
> +
> #define G4X_AUD_VID_DID 0x62020
> #define INTEL_AUDIO_DEVCL 0x808629FB
> #define INTEL_AUDIO_DEVBLC 0x80862801
--
Ben Widawsky, Intel Open Source Technology Center
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