This register was added on GEN4, by the name INSTDONE_1 whereas the GEN6
specification calls it INSTDONE_2. Keep the original name with a
platform prefix to make it clearer which INSTDONE register instance this
is. Also add a comment about the SNB alternative name.
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 2 +-
drivers/gpu/drm/i915/i915_reg.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 85d9a39..2f04e4f 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1391,7 +1391,7 @@ void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone)
instdone[0] = I915_READ(GEN2_INSTDONE);
else if (IS_GEN4(dev) || IS_GEN5(dev) || IS_GEN6(dev)) {
instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE));
- instdone[1] = I915_READ(INSTDONE1);
+ instdone[1] = I915_READ(GEN4_INSTDONE1);
} else if (INTEL_INFO(dev)->gen >= 7) {
instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE));
instdone[1] = I915_READ(GEN7_SC_INSTDONE);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6e3d816..c12f3b8 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1611,7 +1611,7 @@ enum skl_disp_power_wells {
#define RING_INSTPM(base) ((base)+0xc0)
#define RING_MI_MODE(base) ((base)+0x9c)
#define INSTPS 0x02070 /* 965+ only */
-#define INSTDONE1 0x0207c /* 965+ only */
+#define GEN4_INSTDONE1 0x0207c /* 965+ only, aka INSTDONE_2 on SNB */
#define ACTHD_I965 0x02074
#define HWS_PGA 0x02080
#define HWS_ADDRESS_MASK 0xfffff000
--
2.1.4
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