drm/radeon: use radeon device for request firmware

Avoid creating temporary platform device that will lead to issue
when several radeon gpu are in same computer. Instead directly use
the radeon device for requesting firmware.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

6 files changed, 24 insertions, 88 deletions

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ed1d91025928..27891d87c1d3 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -22,7 +22,6 @@
  * Authors: Alex Deucher
  */
 #include <linux/firmware.h>
-#include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include "drmP.h"
@@ -742,7 +741,6 @@ static int ci_mc_load_microcode(struct radeon_device *rdev)
  */
 static int cik_init_microcode(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         const char *chip_name;
         size_t pfp_req_size, me_req_size, ce_req_size,
                 mec_req_size, rlc_req_size, mc_req_size,
@@ -752,13 +750,6 @@ static int cik_init_microcode(struct radeon_device *rdev)
 
         DRM_DEBUG("\n");
 
-        pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-        err = IS_ERR(pdev);
-        if (err) {
-                printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-                return -EINVAL;
-        }
-
         switch (rdev->family) {
         case CHIP_BONAIRE:
                 chip_name = "BONAIRE";
@@ -794,7 +785,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         DRM_INFO("Loading %s Microcode\n", chip_name);
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
-        err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->pfp_fw->size != pfp_req_size) {
@@ -806,7 +797,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
-        err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->me_fw->size != me_req_size) {
@@ -817,7 +808,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
-        err = request_firmware(&rdev->ce_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->ce_fw->size != ce_req_size) {
@@ -828,7 +819,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_mec.bin", chip_name);
-        err = request_firmware(&rdev->mec_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->mec_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->mec_fw->size != mec_req_size) {
@@ -839,7 +830,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", chip_name);
-        err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->rlc_fw->size != rlc_req_size) {
@@ -850,7 +841,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_sdma.bin", chip_name);
-        err = request_firmware(&rdev->sdma_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->sdma_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->sdma_fw->size != sdma_req_size) {
@@ -863,7 +854,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
         /* No MC ucode on APUs */
         if (!(rdev->flags & RADEON_IS_IGP)) {
                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
-                err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
+                err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
                 if (err)
                         goto out;
                 if (rdev->mc_fw->size != mc_req_size) {
@@ -875,8 +866,6 @@ static int cik_init_microcode(struct radeon_device *rdev)
         }
 
 out:
-        platform_device_unregister(pdev);
-
         if (err) {
                 if (err != -EINVAL)
                         printk(KERN_ERR
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index f30127cb30ef..465b17e1fa4e 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -22,7 +22,6 @@
  * Authors: Alex Deucher
  */
 #include <linux/firmware.h>
-#include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <drm/drmP.h>
@@ -684,7 +683,6 @@ int ni_mc_load_microcode(struct radeon_device *rdev)
 
 int ni_init_microcode(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         const char *chip_name;
         const char *rlc_chip_name;
         size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
@@ -694,13 +692,6 @@ int ni_init_microcode(struct radeon_device *rdev)
 
         DRM_DEBUG("\n");
 
-        pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-        err = IS_ERR(pdev);
-        if (err) {
-                printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-                return -EINVAL;
-        }
-
         switch (rdev->family) {
         case CHIP_BARTS:
                 chip_name = "BARTS";
@@ -753,7 +744,7 @@ int ni_init_microcode(struct radeon_device *rdev)
         DRM_INFO("Loading %s Microcode\n", chip_name);
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
-        err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->pfp_fw->size != pfp_req_size) {
@@ -765,7 +756,7 @@ int ni_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
-        err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->me_fw->size != me_req_size) {
@@ -776,7 +767,7 @@ int ni_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
-        err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->rlc_fw->size != rlc_req_size) {
@@ -789,7 +780,7 @@ int ni_init_microcode(struct radeon_device *rdev)
         /* no MC ucode on TN */
         if (!(rdev->flags & RADEON_IS_IGP)) {
                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
-                err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
+                err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
                 if (err)
                         goto out;
                 if (rdev->mc_fw->size != mc_req_size) {
@@ -802,7 +793,7 @@ int ni_init_microcode(struct radeon_device *rdev)
 
         if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
-                err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
+                err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
                 if (err)
                         goto out;
                 if (rdev->smc_fw->size != smc_req_size) {
@@ -814,8 +805,6 @@ int ni_init_microcode(struct radeon_device *rdev)
         }
 
 out:
-        platform_device_unregister(pdev);
-
         if (err) {
                 if (err != -EINVAL)
                         printk(KERN_ERR
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index c9affefd79f6..75349cdaa84b 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -39,7 +39,6 @@
 #include "atom.h"
 
 #include <linux/firmware.h>
-#include <linux/platform_device.h>
 #include <linux/module.h>
 
 #include "r100_reg_safe.h"
@@ -989,18 +988,11 @@ void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 /* Load the microcode for the CP */
 static int r100_cp_init_microcode(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         const char *fw_name = NULL;
         int err;
 
         DRM_DEBUG_KMS("\n");
 
-        pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-        err = IS_ERR(pdev);
-        if (err) {
-                printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-                return -EINVAL;
-        }
         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
             (rdev->family == CHIP_RS200)) {
@@ -1042,8 +1034,7 @@ static int r100_cp_init_microcode(struct radeon_device *rdev)
                 fw_name = FIRMWARE_R520;
         }
 
-        err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
-        platform_device_unregister(pdev);
+        err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
         if (err) {
                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
                        fw_name);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index f7d494f264a5..4982cd8ce8b7 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -28,7 +28,6 @@
 #include <linux/slab.h>
 #include <linux/seq_file.h>
 #include <linux/firmware.h>
-#include <linux/platform_device.h>
 #include <linux/module.h>
 #include <drm/drmP.h>
 #include <drm/radeon_drm.h>
@@ -2144,7 +2143,6 @@ void r600_cp_stop(struct radeon_device *rdev)
 
 int r600_init_microcode(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         const char *chip_name;
         const char *rlc_chip_name;
         const char *smc_chip_name = "RV770";
@@ -2154,13 +2152,6 @@ int r600_init_microcode(struct radeon_device *rdev)
 
         DRM_DEBUG("\n");
 
-        pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-        err = IS_ERR(pdev);
-        if (err) {
-                printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-                return -EINVAL;
-        }
-
         switch (rdev->family) {
         case CHIP_R600:
                 chip_name = "R600";
@@ -2272,7 +2263,7 @@ int r600_init_microcode(struct radeon_device *rdev)
         DRM_INFO("Loading %s Microcode\n", chip_name);
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
-        err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->pfp_fw->size != pfp_req_size) {
@@ -2284,7 +2275,7 @@ int r600_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
-        err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->me_fw->size != me_req_size) {
@@ -2295,7 +2286,7 @@ int r600_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
-        err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->rlc_fw->size != rlc_req_size) {
@@ -2307,7 +2298,7 @@ int r600_init_microcode(struct radeon_device *rdev)
 
         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
-                err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
+                err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
                 if (err)
                         goto out;
                 if (rdev->smc_fw->size != smc_req_size) {
@@ -2319,8 +2310,6 @@ int r600_init_microcode(struct radeon_device *rdev)
         }
 
 out:
-        platform_device_unregister(pdev);
-
         if (err) {
                 if (err != -EINVAL)
                         printk(KERN_ERR
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 41efcec28cd8..34444f62803f 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -56,20 +56,12 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work);
 
 int radeon_uvd_init(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         unsigned long bo_size;
         const char *fw_name;
         int i, r;
 
         INIT_DELAYED_WORK(&rdev->uvd.idle_work, radeon_uvd_idle_work_handler);
 
-        pdev = platform_device_register_simple("radeon_uvd", 0, NULL, 0);
-        r = IS_ERR(pdev);
-        if (r) {
-                dev_err(rdev->dev, "radeon_uvd: Failed to register firmware\n");
-                return -EINVAL;
-        }
-
         switch (rdev->family) {
         case CHIP_RV710:
         case CHIP_RV730:
@@ -112,16 +104,13 @@ int radeon_uvd_init(struct radeon_device *rdev)
                 return -EINVAL;
         }
 
-        r = request_firmware(&rdev->uvd_fw, fw_name, &pdev->dev);
+        r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
         if (r) {
                 dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
                         fw_name);
-                platform_device_unregister(pdev);
                 return r;
         }
 
-        platform_device_unregister(pdev);
-
         bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
                   RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
         r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 234906709067..f305768c3dfa 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -22,7 +22,6 @@
  * Authors: Alex Deucher
  */
 #include <linux/firmware.h>
-#include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <drm/drmP.h>
@@ -1541,7 +1540,6 @@ static int si_mc_load_microcode(struct radeon_device *rdev)
 
 static int si_init_microcode(struct radeon_device *rdev)
 {
-        struct platform_device *pdev;
         const char *chip_name;
         const char *rlc_chip_name;
         size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
@@ -1551,13 +1549,6 @@ static int si_init_microcode(struct radeon_device *rdev)
 
         DRM_DEBUG("\n");
 
-        pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-        err = IS_ERR(pdev);
-        if (err) {
-                printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-                return -EINVAL;
-        }
-
         switch (rdev->family) {
         case CHIP_TAHITI:
                 chip_name = "TAHITI";
@@ -1615,7 +1606,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         DRM_INFO("Loading %s Microcode\n", chip_name);
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
-        err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->pfp_fw->size != pfp_req_size) {
@@ -1627,7 +1618,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
-        err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->me_fw->size != me_req_size) {
@@ -1638,7 +1629,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
-        err = request_firmware(&rdev->ce_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->ce_fw->size != ce_req_size) {
@@ -1649,7 +1640,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
-        err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->rlc_fw->size != rlc_req_size) {
@@ -1660,7 +1651,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
-        err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->mc_fw->size != mc_req_size) {
@@ -1671,7 +1662,7 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
         snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
-        err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
+        err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
         if (err)
                 goto out;
         if (rdev->smc_fw->size != smc_req_size) {
@@ -1682,8 +1673,6 @@ static int si_init_microcode(struct radeon_device *rdev)
         }
 
 out:
-        platform_device_unregister(pdev);
-
         if (err) {
                 if (err != -EINVAL)
                         printk(KERN_ERR