From: walter harms <wharms@bfs.de>
To: Colin King <colin.king@canonical.com>
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Zhou" <David1.Zhou@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] drm/amdgpu/psp: fix incorrect logic when checking asic_type
Date: Thu, 04 Jul 2019 18:22:12 +0200 [thread overview]
Message-ID: <5D1E27B4.9000003@bfs.de> (raw)
In-Reply-To: <20190704142329.22983-1-colin.king@canonical.com>
Am 04.07.2019 16:23, schrieb Colin King:
> From: Colin Ian King <colin.king@canonical.com>
>
> Currently the check of the asic_type is always returning true because
> of the use of ||. Fix this by using && instead. Also break overly
> wide line.
>
> Addresses-Coverity: ("Constant expression result")
> Fixes: dab70ff24db6 ("drm/amdgpu/psp: add psp support for navi14")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> index 527dc371598d..e4afd34e3034 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> @@ -540,7 +540,8 @@ psp_v11_0_sram_map(struct amdgpu_device *adev,
>
> case AMDGPU_UCODE_ID_RLC_G:
> *sram_offset = 0x2000;
> - if (adev->asic_type != CHIP_NAVI10 || adev->asic_type != CHIP_NAVI14) {
> + if (adev->asic_type != CHIP_NAVI10 &&
> + adev->asic_type != CHIP_NAVI14) {
> *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
> *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
> } else {
> @@ -551,7 +552,8 @@ psp_v11_0_sram_map(struct amdgpu_device *adev,
>
> case AMDGPU_UCODE_ID_SDMA0:
> *sram_offset = 0x0;
> - if (adev->asic_type != CHIP_NAVI10 || adev->asic_type != CHIP_NAVI14) {
> + if (adev->asic_type != CHIP_NAVI10 &&
> + adev->asic_type != CHIP_NAVI14) {
> *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
> *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
> } else {
maybe it is better to use
if (adev->asic_type == CHIP_NAVI10 ||
adev->asic_type == CHIP_NAVI14) {
i guess tha was intended here and it is more easy to read.
ppl are bad in non-non reading.
re,
wh
next prev parent reply other threads:[~2019-07-04 16:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-04 14:23 Colin King
2019-07-04 16:22 ` walter harms [this message]
2019-07-04 16:26 ` Colin Ian King
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