Message ID | 20190704142329.22983-1-colin.king@canonical.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [next] drm/amdgpu/psp: fix incorrect logic when checking asic_type | expand |
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
On 04/07/2019 17:22, walter harms wrote: > > > 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. I'm not sure what the original intent was now. Lets see what the folk at AMD say about this. > > re, > wh >
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 {