Valleyview is the only platform that requires the Gunit s0ix save
state. Allocate it dynamically instead of burdening all platforms with
it in drm_i915_private.
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 79 ++++++++++++++++++++++++++++++++-
drivers/gpu/drm/i915/i915_drv.h | 64 +-------------------------
2 files changed, 79 insertions(+), 64 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index efe904626bf5..c1483cd8e76c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2559,11 +2559,81 @@ static int i915_pm_restore(struct device *kdev)
* a black-box for the driver. Further investigation is needed to reduce the
* saved/restored registers even further, by following the same 3 criteria.
*/
+
+struct vlv_s0ix_state {
+ /* GAM */
+ u32 wr_watermark;
+ u32 gfx_prio_ctrl;
+ u32 arb_mode;
+ u32 gfx_pend_tlb0;
+ u32 gfx_pend_tlb1;
+ u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM];
+ u32 media_max_req_count;
+ u32 gfx_max_req_count;
+ u32 render_hwsp;
+ u32 ecochk;
+ u32 bsd_hwsp;
+ u32 blt_hwsp;
+ u32 tlb_rd_addr;
+
+ /* MBC */
+ u32 g3dctl;
+ u32 gsckgctl;
+ u32 mbctl;
+
+ /* GCP */
+ u32 ucgctl1;
+ u32 ucgctl3;
+ u32 rcgctl1;
+ u32 rcgctl2;
+ u32 rstctl;
+ u32 misccpctl;
+
+ /* GPM */
+ u32 gfxpause;
+ u32 rpdeuhwtc;
+ u32 rpdeuc;
+ u32 ecobus;
+ u32 pwrdwnupctl;
+ u32 rp_down_timeout;
+ u32 rp_deucsw;
+ u32 rcubmabdtmr;
+ u32 rcedata;
+ u32 spare2gh;
+
+ /* Display 1 CZ domain */
+ u32 gt_imr;
+ u32 gt_ier;
+ u32 pm_imr;
+ u32 pm_ier;
+ u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM];
+
+ /* GT SA CZ domain */
+ u32 tilectl;
+ u32 gt_fifoctl;
+ u32 gtlc_wake_ctrl;
+ u32 gtlc_survive;
+ u32 pmwgicz;
+
+ /* Display 2 CZ domain */
+ u32 gu_ctl0;
+ u32 gu_ctl1;
+ u32 pcbr;
+ u32 clock_gate_dis2;
+};
+
static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
{
- struct vlv_s0ix_state *s = &dev_priv->vlv_s0ix_state;
+ struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state;
int i;
+ if (!s) {
+ s = devm_kmalloc(dev_priv->drm.dev, sizeof(*s), GFP_KERNEL);
+ if (!s)
+ return;
+ dev_priv->vlv_s0ix_state = s;
+ }
+
/* GAM 0x4000-0x4770 */
s->wr_watermark = I915_READ(GEN7_WR_WATERMARK);
s->gfx_prio_ctrl = I915_READ(GEN7_GFX_PRIO_CTRL);
@@ -2642,10 +2712,15 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
{
- struct vlv_s0ix_state *s = &dev_priv->vlv_s0ix_state;
+ struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state;
u32 val;
int i;
+ if (!s) {
+ DRM_DEBUG_KMS("gunit restore without save state\n");
+ return;
+ }
+
/* GAM 0x4000-0x4770 */
I915_WRITE(GEN7_WR_WATERMARK, s->wr_watermark);
I915_WRITE(GEN7_GFX_PRIO_CTRL, s->gfx_prio_ctrl);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7d424ddd3523..30e33103b845 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -580,67 +580,7 @@ struct i915_suspend_saved_registers {
u16 saveGCDGMBUS;
};
-struct vlv_s0ix_state {
- /* GAM */
- u32 wr_watermark;
- u32 gfx_prio_ctrl;
- u32 arb_mode;
- u32 gfx_pend_tlb0;
- u32 gfx_pend_tlb1;
- u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM];
- u32 media_max_req_count;
- u32 gfx_max_req_count;
- u32 render_hwsp;
- u32 ecochk;
- u32 bsd_hwsp;
- u32 blt_hwsp;
- u32 tlb_rd_addr;
-
- /* MBC */
- u32 g3dctl;
- u32 gsckgctl;
- u32 mbctl;
-
- /* GCP */
- u32 ucgctl1;
- u32 ucgctl3;
- u32 rcgctl1;
- u32 rcgctl2;
- u32 rstctl;
- u32 misccpctl;
-
- /* GPM */
- u32 gfxpause;
- u32 rpdeuhwtc;
- u32 rpdeuc;
- u32 ecobus;
- u32 pwrdwnupctl;
- u32 rp_down_timeout;
- u32 rp_deucsw;
- u32 rcubmabdtmr;
- u32 rcedata;
- u32 spare2gh;
-
- /* Display 1 CZ domain */
- u32 gt_imr;
- u32 gt_ier;
- u32 pm_imr;
- u32 pm_ier;
- u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM];
-
- /* GT SA CZ domain */
- u32 tilectl;
- u32 gt_fifoctl;
- u32 gtlc_wake_ctrl;
- u32 gtlc_survive;
- u32 pmwgicz;
-
- /* Display 2 CZ domain */
- u32 gu_ctl0;
- u32 gu_ctl1;
- u32 pcbr;
- u32 clock_gate_dis2;
-};
+struct vlv_s0ix_state;
struct intel_rps_ei {
ktime_t ktime;
@@ -1601,7 +1541,7 @@ struct drm_i915_private {
u32 suspend_count;
bool power_domains_suspended;
struct i915_suspend_saved_registers regfile;
- struct vlv_s0ix_state vlv_s0ix_state;
+ struct vlv_s0ix_state *vlv_s0ix_state;
enum {
I915_SAGV_UNKNOWN = 0,
--
2.20.1
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