diff --git a/src/amd/vulkan/radv_aco_shader_info.h b/src/amd/vulkan/radv_aco_shader_info.h
index 35b7eef7af9..b9665b2b20f 100644
--- a/src/amd/vulkan/radv_aco_shader_info.h
+++ b/src/amd/vulkan/radv_aco_shader_info.h
@@ -39,8 +39,8 @@ radv_aco_convert_shader_info(struct aco_shader_info *aco_info, const struct radv
    ASSIGN_FIELD(tcs.num_lds_blocks);
    ASSIGN_FIELD(ps.num_interp);
    ASSIGN_FIELD(cs.uses_full_subgroups);
-   aco_info->ps.spi_ps_input_ena = radv->ps.spi_ps_input;
-   aco_info->ps.spi_ps_input_addr = radv->ps.spi_ps_input;
+   aco_info->ps.spi_ps_input_ena = radv->ps.spi_ps_input_ena;
+   aco_info->ps.spi_ps_input_addr = radv->ps.spi_ps_input_addr;
    aco_info->gfx9_gs_ring_lds_size = radv->gs_ring_info.lds_size;
    aco_info->is_trap_handler_shader = radv->type == RADV_SHADER_TYPE_TRAP_HANDLER;
    aco_info->image_2d_view_of_3d = radv_key->image_2d_view_of_3d;
diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index ba742632a33..7c9355b503b 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -5699,7 +5699,9 @@ radv_emit_msaa_state(struct radv_cmd_buffer *cmd_buffer)
          db_eqaa |= S_028804_OVERRASTERIZATION_AMOUNT(log_samples);
    }
 
-   pa_sc_aa_config |= S_028BE0_COVERAGE_TO_SHADER_SELECT(ps && ps->info.ps.reads_fully_covered);
+   /* GFX12 programs it in SPI_PS_INPUT_ENA.COVERAGE_TO_SHADER_SELECT */
+   pa_sc_aa_config |=
+      S_028BE0_COVERAGE_TO_SHADER_SELECT(pdev->info.gfx_level < GFX12 && ps && ps->info.ps.reads_fully_covered);
 
    if (pdev->info.gfx_level >= GFX12) {
       radeon_set_context_reg(cmd_buffer->cs, R_028C5C_PA_SC_SAMPLE_PROPERTIES,
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index dda79cf41ea..15af598bd72 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -525,10 +525,10 @@ radv_postprocess_nir(struct radv_device *device, const struct radv_graphics_stat
          .no_color_export = stage->info.has_epilog,
          .no_depth_export = stage->info.ps.exports_mrtz_via_epilog,
 
-         .bc_optimize_for_persp = G_0286CC_PERSP_CENTER_ENA(stage->info.ps.spi_ps_input) &&
-                                  G_0286CC_PERSP_CENTROID_ENA(stage->info.ps.spi_ps_input),
-         .bc_optimize_for_linear = G_0286CC_LINEAR_CENTER_ENA(stage->info.ps.spi_ps_input) &&
-                                   G_0286CC_LINEAR_CENTROID_ENA(stage->info.ps.spi_ps_input),
+         .bc_optimize_for_persp = G_0286CC_PERSP_CENTER_ENA(stage->info.ps.spi_ps_input_ena) &&
+                                  G_0286CC_PERSP_CENTROID_ENA(stage->info.ps.spi_ps_input_ena),
+         .bc_optimize_for_linear = G_0286CC_LINEAR_CENTER_ENA(stage->info.ps.spi_ps_input_ena) &&
+                                   G_0286CC_LINEAR_CENTROID_ENA(stage->info.ps.spi_ps_input_ena),
       };
 
       if (!options.no_color_export) {
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index d4e6c911f3b..644d3d7ed4b 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -3256,7 +3256,8 @@ radv_get_shader_name(const struct radv_shader_info *info, gl_shader_stage stage)
 }
 
 unsigned
-radv_compute_spi_ps_input(const struct radv_graphics_state_key *gfx_state, const struct radv_shader_info *info)
+radv_compute_spi_ps_input(const struct radv_physical_device *pdev, const struct radv_graphics_state_key *gfx_state,
+                          const struct radv_shader_info *info)
 {
    unsigned spi_ps_input;
 
@@ -3287,7 +3288,8 @@ radv_compute_spi_ps_input(const struct radv_graphics_state_key *gfx_state, const
    }
 
    if (info->ps.reads_sample_mask_in || info->ps.reads_fully_covered) {
-      spi_ps_input |= S_0286CC_SAMPLE_COVERAGE_ENA(1);
+      spi_ps_input |= S_0286CC_SAMPLE_COVERAGE_ENA(1) |
+                      S_02865C_COVERAGE_TO_SHADER_SELECT(pdev->info.gfx_level >= GFX12 && info->ps.reads_fully_covered);
    }
 
    if (G_0286CC_POS_W_FLOAT_ENA(spi_ps_input)) {
diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index 2edaa8a6576..0dfd3a13b3f 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -583,7 +583,8 @@ unsigned radv_get_max_scratch_waves(const struct radv_device *device, struct rad
 
 const char *radv_get_shader_name(const struct radv_shader_info *info, gl_shader_stage stage);
 
-unsigned radv_compute_spi_ps_input(const struct radv_graphics_state_key *gfx_state,
+unsigned radv_compute_spi_ps_input(const struct radv_physical_device *pdev,
+                                   const struct radv_graphics_state_key *gfx_state,
                                    const struct radv_shader_info *info);
 
 bool radv_can_dump_shader(struct radv_device *device, nir_shader *nir, bool meta_shader);
diff --git a/src/amd/vulkan/radv_shader_args.c b/src/amd/vulkan/radv_shader_args.c
index e345c8c7c1d..d5617ceda29 100644
--- a/src/amd/vulkan/radv_shader_args.c
+++ b/src/amd/vulkan/radv_shader_args.c
@@ -276,7 +276,7 @@ declare_ps_input_vgprs(const struct radv_shader_info *info, struct radv_shader_a
    ac_add_arg(&args->ac, AC_ARG_VGPR, 1, AC_ARG_INT, NULL); /* fixed pt */
 
    if (args->remap_spi_ps_input)
-      ac_compact_ps_vgpr_args(&args->ac, info->ps.spi_ps_input);
+      ac_compact_ps_vgpr_args(&args->ac, info->ps.spi_ps_input_ena);
 }
 
 static void
diff --git a/src/amd/vulkan/radv_shader_info.c b/src/amd/vulkan/radv_shader_info.c
index 61c22e94208..07086173e11 100644
--- a/src/amd/vulkan/radv_shader_info.c
+++ b/src/amd/vulkan/radv_shader_info.c
@@ -902,7 +902,12 @@ gather_shader_info_fs(const struct radv_device *device, const nir_shader *nir,
    info->ps.pops_is_per_sample =
       info->ps.pops && (nir->info.fs.sample_interlock_ordered || nir->info.fs.sample_interlock_unordered);
 
-   info->ps.spi_ps_input = radv_compute_spi_ps_input(gfx_state, info);
+   info->ps.spi_ps_input_ena = radv_compute_spi_ps_input(pdev, gfx_state, info);
+   info->ps.spi_ps_input_addr = info->ps.spi_ps_input_ena;
+   if (pdev->info.gfx_level >= GFX12) {
+      /* Only SPI_PS_INPUT_ENA has this bit on GFX12. */
+      info->ps.spi_ps_input_addr &= C_02865C_COVERAGE_TO_SHADER_SELECT;
+   }
 
    info->has_epilog = gfx_state->ps.has_epilog && info->ps.colors_written;
 
diff --git a/src/amd/vulkan/radv_shader_info.h b/src/amd/vulkan/radv_shader_info.h
index 3dd9dfca319..5f91056b1f6 100644
--- a/src/amd/vulkan/radv_shader_info.h
+++ b/src/amd/vulkan/radv_shader_info.h
@@ -203,7 +203,8 @@ struct radv_shader_info {
       bool pops; /* Uses Primitive Ordered Pixel Shading (fragment shader interlock) */
       bool pops_is_per_sample;
       bool mrt0_is_dual_src;
-      unsigned spi_ps_input;
+      unsigned spi_ps_input_ena;
+      unsigned spi_ps_input_addr;
       unsigned colors_written;
       unsigned spi_shader_col_format;
       unsigned cb_shader_mask;