From 151a49d0792203ab735020b5777bb636420a2a11 Mon Sep 17 00:00:00 2001 From: Tom O'Rourke Date: Thu, 13 Nov 2014 18:50:10 -0800 Subject: [PATCH] drm/i915: Extend pcode mailbox interface MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In sandybridge_pcode_read and sandybridge_pcode_write, extend the mbox parameter from u8 to u32. On Haswell and Sandybridge, bits 7:0 encode the mailbox command and bits 28:8 are used for address control for specific commands. Based on suggestion from Ville Syrjälä. Signed-off-by: Tom O'Rourke Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 4 ++-- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c4f2cb6f4234..a8cfb1496229 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2975,8 +2975,8 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv, int fw_engine); void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine); void assert_force_wake_inactive(struct drm_i915_private *dev_priv); -int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val); -int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val); +int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val); +int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val); /* intel_sideband.c */ u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 929648f2373f..4e39d74541e8 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7158,7 +7158,7 @@ void intel_init_pm(struct drm_device *dev) } } -int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val) +int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val) { WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); @@ -7183,7 +7183,7 @@ int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val) return 0; } -int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val) +int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val) { WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));