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amdgpu/dc: don't check for 0 on register read/writes always.
This adds ~50k to the driver text segment, and 10k to data segment. text data bss dec hex filename 2385556 39681 1045 2426282 2505aa drivers/gpu/drm/amd/amdgpu/amdgpu.o text data bss dec hex filename 2336593 28857 1045 2366495 241c1f drivers/gpu/drm/amd/amdgpu/amdgpu.o Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -96,6 +96,9 @@ irq_handler_idx dm_register_interrupt(
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*
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*/
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/* enable for debugging new code, this adds 50k to the driver size. */
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/* #define DM_CHECK_ADDR_0 */
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#define dm_read_reg(ctx, address) \
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dm_read_reg_func(ctx, address, __func__)
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@ -105,12 +108,12 @@ static inline uint32_t dm_read_reg_func(
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const char *func_name)
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{
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uint32_t value;
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#ifdef DM_CHECK_ADDR_0
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if (address == 0) {
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DC_ERR("invalid register read; address = 0\n");
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return 0;
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}
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#endif
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value = cgs_read_register(ctx->cgs_device, address);
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return value;
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@ -125,10 +128,12 @@ static inline void dm_write_reg_func(
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uint32_t value,
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const char *func_name)
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{
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#ifdef DM_CHECK_ADDR_0
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if (address == 0) {
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DC_ERR("invalid register write. address = 0");
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return;
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}
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#endif
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cgs_write_register(ctx->cgs_device, address, value);
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}
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