[Intel-gfx] [PATCH 9/9] drm/i915: remove last traces of I915_READ(), I915_WRITE() and POSTING_READ()
Rodrigo Vivi
rodrigo.vivi at intel.com
Thu Nov 12 21:02:55 UTC 2020
On Thu, Nov 12, 2020 at 01:44:42PM +0200, Jani Nikula wrote:
> Good riddance! Remove the macros and their remaining references in
> comments.
>
> The following functions should be used instead, depending on the use
> case:
>
> - intel_uncore_read(), intel_uncore_write(), intel_uncore_posting_read()
>
> - intel_de_read(), intel_de_write(), intel_de_posting_read()
>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dvo.c | 4 ----
> drivers/gpu/drm/i915/i915_drv.h | 8 --------
> drivers/gpu/drm/i915/i915_reg.h | 6 ++++--
> drivers/gpu/drm/i915/intel_sideband.c | 4 ++--
> drivers/gpu/drm/i915/intel_uncore.c | 2 +-
> drivers/gpu/drm/i915/intel_uncore.h | 4 ++--
> 6 files changed, 9 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
> index 237dbb1ba0ee..090cd76266c6 100644
> --- a/drivers/gpu/drm/i915/display/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/display/intel_dvo.c
> @@ -301,12 +301,8 @@ static void intel_dvo_pre_enable(struct intel_atomic_state *state,
> if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
> dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
>
> - /*I915_WRITE(DVOB_SRCDIM,
> - (adjusted_mode->crtc_hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
> - (adjusted_mode->crtc_vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));*/
> intel_de_write(dev_priv, dvo_srcdim_reg,
> (adjusted_mode->crtc_hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) | (adjusted_mode->crtc_vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));
> - /*I915_WRITE(DVOB, dvo_val);*/
> intel_de_write(dev_priv, dvo_reg, dvo_val);
> }
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index fecb5899cbac..42f60b112436 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1970,14 +1970,6 @@ mkwrite_device_info(struct drm_i915_private *dev_priv)
> int i915_reg_read_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file);
>
> -#define __I915_REG_OP(op__, dev_priv__, ...) \
> - intel_uncore_##op__(&(dev_priv__)->uncore, __VA_ARGS__)
> -
> -#define I915_READ(reg__) __I915_REG_OP(read, dev_priv, (reg__))
> -#define I915_WRITE(reg__, val__) __I915_REG_OP(write, dev_priv, (reg__), (val__))
> -
> -#define POSTING_READ(reg__) __I915_REG_OP(posting_read, dev_priv, (reg__))
> -
> /* i915_mm.c */
> int remap_io_mapping(struct vm_area_struct *vma,
> unsigned long addr, unsigned long pfn, unsigned long size,
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 7ea70b7ffcc6..568633448202 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -10849,8 +10849,10 @@ enum skl_power_gate {
> #define CNL_DRAM_RANK_3 (0x2 << 9)
> #define CNL_DRAM_RANK_4 (0x3 << 9)
>
> -/* Please see hsw_read_dcomp() and hsw_write_dcomp() before using this register,
> - * since on HSW we can't write to it using I915_WRITE. */
> +/*
> + * Please see hsw_read_dcomp() and hsw_write_dcomp() before using this register,
> + * since on HSW we can't write to it using intel_uncore_write.
> + */
> #define D_COMP_HSW _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5F0C)
> #define D_COMP_BDW _MMIO(0x138144)
> #define D_COMP_RCOMP_IN_PROGRESS (1 << 9)
> diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
> index 02ebf5a04a9b..0ec0cf191955 100644
> --- a/drivers/gpu/drm/i915/intel_sideband.c
> +++ b/drivers/gpu/drm/i915/intel_sideband.c
> @@ -404,8 +404,8 @@ static int __sandybridge_pcode_rw(struct drm_i915_private *i915,
> lockdep_assert_held(&i915->sb_lock);
>
> /*
> - * GEN6_PCODE_* are outside of the forcewake domain, we can
> - * use te fw I915_READ variants to reduce the amount of work
> + * GEN6_PCODE_* are outside of the forcewake domain, we can use
> + * intel_uncore_read/write_fw variants to reduce the amount of work
> * required when reading/writing.
> */
>
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index ef40edfff412..9ac501bcfdad 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -2126,7 +2126,7 @@ int __intel_wait_for_register_fw(struct intel_uncore *uncore,
> * This routine waits until the target register @reg contains the expected
> * @value after applying the @mask, i.e. it waits until ::
> *
> - * (I915_READ(reg) & mask) == value
> + * (intel_uncore_read(uncore, reg) & mask) == value
> *
> * Otherwise, the wait will timeout after @timeout_ms milliseconds.
> *
> diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
> index 5dcb7f4183b2..59f0da8f1fbb 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.h
> +++ b/drivers/gpu/drm/i915/intel_uncore.h
> @@ -318,8 +318,8 @@ __uncore_write(write_notrace, 32, l, false)
> * will be implemented using 2 32-bit writes in an arbitrary order with
> * an arbitrary delay between them. This can cause the hardware to
> * act upon the intermediate value, possibly leading to corruption and
> - * machine death. For this reason we do not support I915_WRITE64, or
> - * uncore->funcs.mmio_writeq.
> + * machine death. For this reason we do not support intel_uncore_write64,
> + * or uncore->funcs.mmio_writeq.
> *
> * When reading a 64-bit value as two 32-bit values, the delay may cause
> * the two reads to mismatch, e.g. a timestamp overflowing. Also note that
> --
> 2.20.1
>
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