linux-kernel - [PATCH 4.2.y-ckt 069/273] drm/amdgpu: drop topaz support from gmc8 module

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Message-Id: <1457391064-6660-70-git-send-email-kamal@canonical.com>
Date:	Mon,  7 Mar 2016 14:47:40 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Alex Deucher <alexander.deucher@....com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 069/273] drm/amdgpu: drop topaz support from gmc8 module

4.2.8-ckt5 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Alex Deucher <alexander.deucher@....com>

commit 8878d8548ac7fae43cd6d82579f966eb8825e282 upstream.

topaz is actually gmc7.

Reviewed-by: Ken Wang <Qingqing.Wang@....com>
Reviewed-by: Christian König <christian.koenig@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
[ kamal: backport to 4.2-stable: context; merged gmc_v8_0_hw_init() delta from
  ad32152 "drm/amdgpu: no need to load MC firmware on fiji" ]
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 27 +--------------------------
 1 file changed, 1 insertion(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index e41ff6a..b7ea35b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -42,7 +42,6 @@
 static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev);
 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
 
-MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
 MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
 
 static const u32 golden_settings_tonga_a11[] =
@@ -61,19 +60,6 @@ static const u32 tonga_mgcg_cgcg_init[] =
 	mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
 };
 
-static const u32 golden_settings_iceland_a11[] =
-{
-	mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
-	mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
-	mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
-	mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
-};
-
-static const u32 iceland_mgcg_cgcg_init[] =
-{
-	mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
-};
-
 static const u32 cz_mgcg_cgcg_init[] =
 {
 	mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
@@ -82,14 +68,6 @@ static const u32 cz_mgcg_cgcg_init[] =
 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
 {
 	switch (adev->asic_type) {
-	case CHIP_TOPAZ:
-		amdgpu_program_register_sequence(adev,
-						 iceland_mgcg_cgcg_init,
-						 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
-		amdgpu_program_register_sequence(adev,
-						 golden_settings_iceland_a11,
-						 (const u32)ARRAY_SIZE(golden_settings_iceland_a11));
-		break;
 	case CHIP_TONGA:
 		amdgpu_program_register_sequence(adev,
 						 tonga_mgcg_cgcg_init,
@@ -196,9 +174,6 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
 	DRM_DEBUG("\n");
 
 	switch (adev->asic_type) {
-	case CHIP_TOPAZ:
-		chip_name = "topaz";
-		break;
 	case CHIP_TONGA:
 		chip_name = "tonga";
 		break;
@@ -935,7 +910,7 @@ static int gmc_v8_0_hw_init(void *handle)
 
 	gmc_v8_0_mc_program(adev);
 
-	if (!(adev->flags & AMDGPU_IS_APU)) {
+	if (adev->asic_type == CHIP_TONGA) {
 		r = gmc_v8_0_mc_load_microcode(adev);
 		if (r) {
 			DRM_ERROR("Failed to load MC firmware!\n");
-- 
2.7.0