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Commit 801a6aa9 authored by Tom St Denis's avatar Tom St Denis Committed by Alex Deucher
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drm/amd/amdgpu: Fix debugfs reg read/write address width 



The MMIO space is wider now so we mask the lower 22 bits
instead of 18.

Signed-off-by: default avatarTom St Denis <tom.stdenis@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 18a8de1b

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+2 −2
Original line number Diff line number Diff line
@@ -2590,7 +2590,7 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, 
		use_bank = 0;

	}



	*pos &= 0x3FFFF;

	*pos &= (1UL << 22) - 1;



	if (use_bank) {

		if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
@@ -2666,7 +2666,7 @@ static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, 
		use_bank = 0;

	}



	*pos &= 0x3FFFF;

	*pos &= (1UL << 22) - 1;



	if (use_bank) {

		if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||