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From: Alex Deucher <alexdeucher@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Mykola Lysenko <Mykola.Lysenko@amd.com>
Subject: [PATCH] drm/amdgpu: fix memory leak in CGS (FW info)
Date: Mon,  2 May 2016 16:00:45 -0400	[thread overview]
Message-ID: <1462219259-29806-33-git-send-email-alexander.deucher@amd.com> (raw)
In-Reply-To: <1462219259-29806-1-git-send-email-alexander.deucher@amd.com>

From: Mykola Lysenko <Mykola.Lysenko@amd.com>

Previously requested FW pointer should not be
overwritten on a subsequent call.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mykola Lysenko <Mykola.Lysenko@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 70 +++++++++++++++++----------------
 1 file changed, 36 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 837cdd2..490464e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -735,42 +735,44 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 		const uint8_t *src;
 		const struct smc_firmware_header_v1_0 *hdr;
 
-		switch (adev->asic_type) {
-		case CHIP_TONGA:
-			strcpy(fw_name, "amdgpu/tonga_smc.bin");
-			break;
-		case CHIP_FIJI:
-			strcpy(fw_name, "amdgpu/fiji_smc.bin");
-			break;
-		case CHIP_POLARIS11:
-			if (type == CGS_UCODE_ID_SMU)
-				strcpy(fw_name, "amdgpu/polaris11_smc.bin");
-			else if (type == CGS_UCODE_ID_SMU_SK)
-				strcpy(fw_name, "amdgpu/polaris11_smc_sk.bin");
-			break;
-		case CHIP_POLARIS10:
-			if (type == CGS_UCODE_ID_SMU)
-				strcpy(fw_name, "amdgpu/polaris10_smc.bin");
-			else if (type == CGS_UCODE_ID_SMU_SK)
-				strcpy(fw_name, "amdgpu/polaris10_smc_sk.bin");
-			break;
-		default:
-			DRM_ERROR("SMC firmware not supported\n");
-			return -EINVAL;
-		}
+		if (!adev->pm.fw) {
+			switch (adev->asic_type) {
+			case CHIP_TONGA:
+				strcpy(fw_name, "amdgpu/tonga_smc.bin");
+				break;
+			case CHIP_FIJI:
+				strcpy(fw_name, "amdgpu/fiji_smc.bin");
+				break;
+			case CHIP_POLARIS11:
+				if (type == CGS_UCODE_ID_SMU)
+					strcpy(fw_name, "amdgpu/polaris11_smc.bin");
+				else if (type == CGS_UCODE_ID_SMU_SK)
+					strcpy(fw_name, "amdgpu/polaris11_smc_sk.bin");
+				break;
+			case CHIP_POLARIS10:
+				if (type == CGS_UCODE_ID_SMU)
+					strcpy(fw_name, "amdgpu/polaris10_smc.bin");
+				else if (type == CGS_UCODE_ID_SMU_SK)
+					strcpy(fw_name, "amdgpu/polaris10_smc_sk.bin");
+				break;
+			default:
+				DRM_ERROR("SMC firmware not supported\n");
+				return -EINVAL;
+			}
 
-		err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
-		if (err) {
-			DRM_ERROR("Failed to request firmware\n");
-			return err;
-		}
+			err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
+			if (err) {
+				DRM_ERROR("Failed to request firmware\n");
+				return err;
+			}
 
-		err = amdgpu_ucode_validate(adev->pm.fw);
-		if (err) {
-			DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
-			release_firmware(adev->pm.fw);
-			adev->pm.fw = NULL;
-			return err;
+			err = amdgpu_ucode_validate(adev->pm.fw);
+			if (err) {
+				DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
+				release_firmware(adev->pm.fw);
+				adev->pm.fw = NULL;
+				return err;
+			}
 		}
 
 		hdr = (const struct smc_firmware_header_v1_0 *)	adev->pm.fw->data;
-- 
2.5.5

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  parent reply	other threads:[~2016-05-02 20:01 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-02 20:00 Misc amdgpu patches Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/dce11: fix vertical bars appear on monitor Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/amdgpu: Add SW clock gating support to UVD 5 and 6 Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/amdgpu: Enable clockgating for UVD5 on Tonga Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/amdgpu: Enable clockgating in UVD6 for Stoney Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: use min_clock_in_sr for deep sleep feature Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: Set PFLIP_SUBMITTED for crtc after address update Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: add new CG flag for ROM clockgating Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/gfx: add proper CG flags for fiji Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/sdma: " Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/common: " Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/gmc: " Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/gfx8: rename send_serdes_cmd Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/gfx: adjust gfx_v8_0_send_serdes_cmd for ST Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: add a new set of rlc function pointers Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/gfx: rework fiji cg functions so they can be shared Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable gfx clockgating for CZ Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable gfx clockgating for ST (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/vi: rename fiji cg functions Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable gmc clockgating for CZ Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable gmc clockgating for ST Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/sdma: rename fiji cg functions Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable sdma clockgating on CZ Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: enable sdma clockgating on ST Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: add ELM/BAF DCE11 configs (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu: add ELM/BAF support to dce_v11_0_pick_pll (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: enable some feature for baffin/ellesmere. (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: add fan control mode interface for baffin Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: parameter updates according to SMC Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: fix issue that get wrong reference clock value Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: Fix a bug for enabling ACDC gpio interrupt Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: update vce power gate state for baffin Alex Deucher
2016-05-02 20:00 ` Alex Deucher [this message]
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: return 0 when interface not implement on some asic Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: fix some initialize error on polaris10 Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: fix bug dpm can't work when resume back on Polaris Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: fix fan speed percent setting error on Polaris10 Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: add dpm force multiple levels on cz/tonga/fiji/polaris (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: revise caching the soft pptable and add it's size Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: revise reading/writing pptable on Fiji Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: revise reading/writing pptable on Tonga Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/powerplay: revise reading/writing pptable on Polaris10 Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/amdgpu: Drop print_status callbacks Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amd/amdgpu: Add debugfs entries for smc/didt/pcie Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/powerplay: add missing clockgating callback for tonga Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/fiji: set UVD CG state when enabling UVD DPM (v2) Alex Deucher
2016-05-02 20:00 ` [PATCH] drm/amdgpu/uvd6: add bypass support for fiji (v3) Alex Deucher

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