drm/i915: remove display stepping handling

The code is now unused. Remove.

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d64c5e8563dcb8858569d5578230f6b675acdafb.1724180287.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

2 files changed, 36 insertions, 44 deletions

diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c
index 80464e4edcce..285b96fadfd5 100644
--- a/drivers/gpu/drm/i915/intel_step.c
+++ b/drivers/gpu/drm/i915/intel_step.c
@@ -23,8 +23,7 @@
  * use a macro to define these to make it easier to identify the platforms
  * where the two steppings can deviate.
  */
-#define COMMON_STEP(x)  .graphics_step = STEP_##x, .display_step = STEP_##x, .media_step = STEP_##x
-#define COMMON_GT_MEDIA_STEP(x)  .graphics_step = STEP_##x, .media_step = STEP_##x
+#define COMMON_STEP(x)  .graphics_step = STEP_##x, .media_step = STEP_##x
 
 static const struct intel_step_info skl_revids[] = {
 	[0x6] = { COMMON_STEP(G0) },
@@ -34,13 +33,13 @@ static const struct intel_step_info skl_revids[] = {
 };
 
 static const struct intel_step_info kbl_revids[] = {
-	[1] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_B0 },
-	[2] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_B0 },
-	[3] = { COMMON_GT_MEDIA_STEP(D0), .display_step = STEP_B0 },
-	[4] = { COMMON_GT_MEDIA_STEP(F0), .display_step = STEP_C0 },
-	[5] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_B1 },
-	[6] = { COMMON_GT_MEDIA_STEP(D1), .display_step = STEP_B1 },
-	[7] = { COMMON_GT_MEDIA_STEP(G0), .display_step = STEP_C0 },
+	[1] = { COMMON_STEP(B0) },
+	[2] = { COMMON_STEP(C0) },
+	[3] = { COMMON_STEP(D0) },
+	[4] = { COMMON_STEP(F0) },
+	[5] = { COMMON_STEP(C0) },
+	[6] = { COMMON_STEP(D1) },
+	[7] = { COMMON_STEP(G0) },
 };
 
 static const struct intel_step_info bxt_revids[] = {
@@ -64,16 +63,16 @@ static const struct intel_step_info jsl_ehl_revids[] = {
 };
 
 static const struct intel_step_info tgl_uy_revids[] = {
-	[0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_A0 },
-	[1] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_C0 },
-	[2] = { COMMON_GT_MEDIA_STEP(B1), .display_step = STEP_C0 },
-	[3] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_D0 },
+	[0] = { COMMON_STEP(A0) },
+	[1] = { COMMON_STEP(B0) },
+	[2] = { COMMON_STEP(B1) },
+	[3] = { COMMON_STEP(C0) },
 };
 
 /* Same GT stepping between tgl_uy_revids and tgl_revids don't mean the same HW */
 static const struct intel_step_info tgl_revids[] = {
-	[0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_B0 },
-	[1] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_D0 },
+	[0] = { COMMON_STEP(A0) },
+	[1] = { COMMON_STEP(B0) },
 };
 
 static const struct intel_step_info rkl_revids[] = {
@@ -88,49 +87,49 @@ static const struct intel_step_info dg1_revids[] = {
 };
 
 static const struct intel_step_info adls_revids[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_A0 },
-	[0x1] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_A2 },
-	[0x4] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_B0 },
-	[0x8] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_B0 },
-	[0xC] = { COMMON_GT_MEDIA_STEP(D0), .display_step = STEP_C0 },
+	[0x0] = { COMMON_STEP(A0) },
+	[0x1] = { COMMON_STEP(A0) },
+	[0x4] = { COMMON_STEP(B0) },
+	[0x8] = { COMMON_STEP(C0) },
+	[0xC] = { COMMON_STEP(D0) },
 };
 
 static const struct intel_step_info adlp_revids[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_A0 },
-	[0x4] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_B0 },
-	[0x8] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_C0 },
-	[0xC] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_D0 },
+	[0x0] = { COMMON_STEP(A0) },
+	[0x4] = { COMMON_STEP(B0) },
+	[0x8] = { COMMON_STEP(C0) },
+	[0xC] = { COMMON_STEP(C0) },
 };
 
 static const struct intel_step_info dg2_g10_revid_step_tbl[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_A0 },
-	[0x1] = { COMMON_GT_MEDIA_STEP(A1), .display_step = STEP_A0 },
-	[0x4] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_B0 },
-	[0x8] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_C0 },
+	[0x0] = { COMMON_STEP(A0) },
+	[0x1] = { COMMON_STEP(A1) },
+	[0x4] = { COMMON_STEP(B0) },
+	[0x8] = { COMMON_STEP(C0) },
 };
 
 static const struct intel_step_info dg2_g11_revid_step_tbl[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_B0 },
-	[0x4] = { COMMON_GT_MEDIA_STEP(B0), .display_step = STEP_C0 },
-	[0x5] = { COMMON_GT_MEDIA_STEP(B1), .display_step = STEP_C0 },
+	[0x0] = { COMMON_STEP(A0) },
+	[0x4] = { COMMON_STEP(B0) },
+	[0x5] = { COMMON_STEP(B1) },
 };
 
 static const struct intel_step_info dg2_g12_revid_step_tbl[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_C0 },
-	[0x1] = { COMMON_GT_MEDIA_STEP(A1), .display_step = STEP_C0 },
+	[0x0] = { COMMON_STEP(A0) },
+	[0x1] = { COMMON_STEP(A1) },
 };
 
 static const struct intel_step_info adls_rpls_revids[] = {
-	[0x4] = { COMMON_GT_MEDIA_STEP(D0), .display_step = STEP_D0 },
-	[0xC] = { COMMON_GT_MEDIA_STEP(D0), .display_step = STEP_C0 },
+	[0x4] = { COMMON_STEP(D0) },
+	[0xC] = { COMMON_STEP(D0) },
 };
 
 static const struct intel_step_info adlp_rplp_revids[] = {
-	[0x4] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_E0 },
+	[0x4] = { COMMON_STEP(C0) },
 };
 
 static const struct intel_step_info adlp_n_revids[] = {
-	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_D0 },
+	[0x0] = { COMMON_STEP(A0) },
 };
 
 static u8 gmd_to_intel_step(struct drm_i915_private *i915,
@@ -158,11 +157,6 @@ void intel_step_init(struct drm_i915_private *i915)
 						       &RUNTIME_INFO(i915)->graphics.ip);
 		step.media_step = gmd_to_intel_step(i915,
 						    &RUNTIME_INFO(i915)->media.ip);
-		step.display_step = STEP_A0 + DISPLAY_RUNTIME_INFO(i915)->ip.step;
-		if (step.display_step >= STEP_FUTURE) {
-			drm_dbg(&i915->drm, "Using future display steppings\n");
-			step.display_step = STEP_FUTURE;
-		}
 
 		RUNTIME_INFO(i915)->step = step;
 
@@ -252,7 +246,6 @@ void intel_step_init(struct drm_i915_private *i915)
 		} else {
 			drm_dbg(&i915->drm, "Using future steppings\n");
 			step.graphics_step = STEP_FUTURE;
-			step.display_step = STEP_FUTURE;
 		}
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h
index 96dfca4cba73..83bd1190edf5 100644
--- a/drivers/gpu/drm/i915/intel_step.h
+++ b/drivers/gpu/drm/i915/intel_step.h
@@ -16,7 +16,6 @@ struct intel_step_info {
 	 * the expectation breaks gmd_to_intel_step().
 	 */
 	u8 graphics_step;	/* Represents the compute tile on Xe_HPC */
-	u8 display_step;
 	u8 media_step;
 	u8 basedie_step;
 };