drm/i915: Fix CSR MMIO address check

Fix a wrong logical AND (&&) used for the range check of CSR MMIO.

Spotted nicely by gcc -Wlogical-op flag:
  drivers/gpu/drm/i915/intel_csr.c: In function ‘finish_csr_load’:
  drivers/gpu/drm/i915/intel_csr.c:353:41: warning: logical ‘and’ of mutually exclusive tests is always false [-Wlogical-op]

Fixes: eb805623d8b1 ('drm/i915/skl: Add support to load SKL CSR firmware.')
Cc: <stable@vger.kernel.org> # v4.2
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index ba1ae031e6fd47ff7873fe739a4efd5e5c5fddac..d0f1b8d833cd2d890e0328df50cf5839cd3fba2f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -350,7 +350,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
        }
        csr->mmio_count = dmc_header->mmio_count;
        for (i = 0; i < dmc_header->mmio_count; i++) {
-               if (dmc_header->mmioaddr[i] < CSR_MMIO_START_RANGE &&
+               if (dmc_header->mmioaddr[i] < CSR_MMIO_START_RANGE ||
                        dmc_header->mmioaddr[i] > CSR_MMIO_END_RANGE) {
                        DRM_ERROR(" Firmware has wrong mmio address 0x%x\n",
                                                dmc_header->mmioaddr[i]);